74680569 has 32 divisors (see below), whose sum is σ = 113356800. Its totient is φ = 48580560.

The previous prime is 74680561. The next prime is 74680579. The reversal of 74680569 is 96508647.

74680569 is a `hidden beast` number, since 7 + 4 + 6 + 80 + 569 = 666.

It is not a de Polignac number, because 74680569 - 2³ = 74680561 is a prime.

It is a super-2 number, since 2×74680569² = 11154374772327522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74680561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312352 + ... + 312590.

It is an arithmetic number, because the mean of its divisors is an integer number (3542400).

Almost surely, 2^74680569 is an apocalyptic number.

It is an amenable number.

74680569 is a deficient number, since it is larger than the sum of its proper divisors (38676231).

74680569 is a wasteful number, since it uses less digits than its factorization.

74680569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 74680569 is about 8641.7920016626. The cubic root of 74680569 is about 421.1167727864.

The spelling of 74680569 in words is "seventy-four million, six hundred eighty thousand, five hundred sixty-nine".