Search a number
-
+
74085773 = 179413887
BaseRepresentation
bin1000110101001…
…11010110001101
312011101221120112
410122213112031
5122431221043
611203525405
71556501336
oct432472615
9164357515
1074085773
1138901813
1220989865
131246c448
149ba728d
156786518
hex46a758d

74085773 has 4 divisors (see below), whose sum is σ = 74499840. Its totient is φ = 73671708.

The previous prime is 74085757. The next prime is 74085797. The reversal of 74085773 is 37758047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74085773 - 24 = 74085757 is a prime.

It is a super-2 number, since 2×740857732 = 10977403522015058, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74085773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74085703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206765 + ... + 207122.

It is an arithmetic number, because the mean of its divisors is an integer number (18624960).

Almost surely, 274085773 is an apocalyptic number.

It is an amenable number.

74085773 is a deficient number, since it is larger than the sum of its proper divisors (414067).

74085773 is a wasteful number, since it uses less digits than its factorization.

74085773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414066.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 74085773 is about 8607.3092775850. The cubic root of 74085773 is about 419.9957917190.

The spelling of 74085773 in words is "seventy-four million, eighty-five thousand, seven hundred seventy-three".

Divisors: 1 179 413887 74085773