74646006816 has 48 divisors (see below), whose sum is σ = 197243460288. Its totient is φ = 24717216000.

The previous prime is 74646006797. The next prime is 74646006887. The reversal of 74646006816 is 61860064647.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 2560215 + ... + 2589206.

It is an arithmetic number, because the mean of its divisors is an integer number (4109238756).

Almost surely, 2^74646006816 is an apocalyptic number.

It is an amenable number.

74646006816 is an abundant number, since it is smaller than the sum of its proper divisors (122597453472).

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

74646006816 is a wasteful number, since it uses less digits than its factorization.

74646006816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149585 (or 5149577 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 74646006816 in words is "seventy-four billion, six hundred forty-six million, six thousand, eight hundred sixteen".