74813779968 has 52 divisors (see below), whose sum is σ = 199479092568. Its totient is φ = 24937922560.

The previous prime is 74813779951. The next prime is 74813780003. The reversal of 74813779968 is 86997731847.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3031893 + ... + 3056468.

Almost surely, 2^74813779968 is an apocalyptic number.

It is an amenable number.

74813779968 is an abundant number, since it is smaller than the sum of its proper divisors (124665312600).

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

74813779968 is an equidigital number, since it uses as much as digits as its factorization.

74813779968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6088388 (or 6088366 counting only the distinct ones).

The product of its digits is 128024064, while the sum is 69.

The spelling of 74813779968 in words is "seventy-four billion, eight hundred thirteen million, seven hundred seventy-nine thousand, nine hundred sixty-eight".