Search a number
-
+
74606166 = 23217479509
BaseRepresentation
bin1000111001001…
…10011001010110
312012101101102100
410130212121112
5123044344131
611223022530
71564066455
oct434463126
9165341370
1074606166
1139127798
1220b9aa46
13125c227b
149ca0b9c
15683a7e6
hex4726656

74606166 has 48 divisors (see below), whose sum is σ = 171849600. Its totient is φ = 23311104.

The previous prime is 74606159. The next prime is 74606167. The reversal of 74606166 is 66160647.

It is a self number, because there is not a number n which added to its sum of digits gives 74606166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74606167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146320 + ... + 146828.

It is an arithmetic number, because the mean of its divisors is an integer number (3580200).

Almost surely, 274606166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74606166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85924800).

74606166 is an abundant number, since it is smaller than the sum of its proper divisors (97243434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74606166 is a wasteful number, since it uses less digits than its factorization.

74606166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1010 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 74606166 is about 8637.4860926082. The cubic root of 74606166 is about 420.9768757881.

The spelling of 74606166 in words is "seventy-four million, six hundred six thousand, one hundred sixty-six".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 479 509 958 1018 1437 1527 2874 3054 4311 4581 8143 8622 8653 9162 16286 17306 24429 25959 48858 51918 73287 77877 146574 155754 243811 487622 731433 1462866 2194299 4144787 4388598 8289574 12434361 24868722 37303083 74606166