Search a number
-
+
74252207 = 233318679
BaseRepresentation
bin1000110110011…
…11111110101111
312011201101212202
410123033332233
5123002032312
611211252115
71561063511
oct433177657
9164641782
1074252207
1138a05867
1220a4a03b
13124ca123
149c0bbb1
1567ba9c2
hex46cffaf

74252207 has 4 divisors (see below), whose sum is σ = 74571120. Its totient is φ = 73933296.

The previous prime is 74252177. The next prime is 74252251. The reversal of 74252207 is 70225247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74252207 - 28 = 74251951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74252207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74252407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159107 + ... + 159572.

It is an arithmetic number, because the mean of its divisors is an integer number (18642780).

Almost surely, 274252207 is an apocalyptic number.

74252207 is a deficient number, since it is larger than the sum of its proper divisors (318913).

74252207 is a wasteful number, since it uses less digits than its factorization.

74252207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318912.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 74252207 is about 8616.9720319843. The cubic root of 74252207 is about 420.3100639347.

The spelling of 74252207 in words is "seventy-four million, two hundred fifty-two thousand, two hundred seven".

Divisors: 1 233 318679 74252207