3120742464 has 56 divisors (see below), whose sum is σ = 9436534848. Its totient is φ = 891640320.

The previous prime is 3120742447. The next prime is 3120742489. The reversal of 3120742464 is 4642470213.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×3120742464² = 19478067053225582592, which contains 22 as substring.

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, 1159647 + ... + 1162334.

Almost surely, 2^3120742464 is an apocalyptic number.

It is an amenable number.

3120742464 is an abundant number, since it is smaller than the sum of its proper divisors (6315792384).

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

3120742464 is a wasteful number, since it uses less digits than its factorization.

3120742464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322003 (or 2321993 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 3120742464 is about 55863.6058986528. The cubic root of 3120742464 is about 1461.3446147773.

The spelling of 3120742464 in words is "three billion, one hundred twenty million, seven hundred forty-two thousand, four hundred sixty-four".