74696249507 has 32 divisors (see below), whose sum is σ = 86254986240. Its totient is φ = 63973152000.

The previous prime is 74696249503. The next prime is 74696249521. The reversal of 74696249507 is 70594269647.

It is not a de Polignac number, because 74696249507 - 2² = 74696249503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74696249503) 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, 43101413 + ... + 43103145.

It is an arithmetic number, because the mean of its divisors is an integer number (2695468320).

Almost surely, 2^74696249507 is an apocalyptic number.

74696249507 is a deficient number, since it is larger than the sum of its proper divisors (11558736733).

74696249507 is a wasteful number, since it uses less digits than its factorization.

74696249507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795.

The product of its (nonzero) digits is 22861440, while the sum is 59.

The spelling of 74696249507 in words is "seventy-four billion, six hundred ninety-six million, two hundred forty-nine thousand, five hundred seven".