74859449892 has 24 divisors (see below), whose sum is σ = 174855362976. Its totient is φ = 24926962368.

The previous prime is 74859449839. The next prime is 74859449933. The reversal of 74859449892 is 29894495847.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3261538 + ... + 3284409.

It is an arithmetic number, because the mean of its divisors is an integer number (7285640124).

Almost surely, 2^74859449892 is an apocalyptic number.

It is an amenable number.

74859449892 is an abundant number, since it is smaller than the sum of its proper divisors (99995913084).

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

74859449892 is a wasteful number, since it uses less digits than its factorization.

74859449892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6546907 (or 6546905 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 69.

The spelling of 74859449892 in words is "seventy-four billion, eight hundred fifty-nine million, four hundred forty-nine thousand, eight hundred ninety-two".