75947874944 has 64 divisors (see below), whose sum is σ = 160675704000. Its totient is φ = 35656814592.

The previous prime is 75947874859. The next prime is 75947874967. The reversal of 75947874944 is 44947874957.

It is a tau number, because it is divible by the number of its divisors (64).

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, 136637 + ... + 412995.

It is an arithmetic number, because the mean of its divisors is an integer number (2510557875).

Almost surely, 2^75947874944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75947874944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80337852000).

75947874944 is an abundant number, since it is smaller than the sum of its proper divisors (84727829056).

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

75947874944 is a wasteful number, since it uses less digits than its factorization.

75947874944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276505 (or 276493 counting only the distinct ones).

The product of its digits is 284497920, while the sum is 68.

The spelling of 75947874944 in words is "seventy-five billion, nine hundred forty-seven million, eight hundred seventy-four thousand, nine hundred forty-four".