7931364736 has 64 divisors (see below), whose sum is σ = 16090373520. Its totient is φ = 3893501952.

The previous prime is 7931364709. The next prime is 7931364743. The reversal of 7931364736 is 6374631397.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7931364736.

It is a congruent number.

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, 2175331 + ... + 2178973.

Almost surely, 2^7931364736 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 7931364736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8045186760).

7931364736 is an abundant number, since it is smaller than the sum of its proper divisors (8159008784).

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

7931364736 is a wasteful number, since it uses less digits than its factorization.

7931364736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963 (or 3951 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 49.

The square root of 7931364736 is about 89058.2098180735. The cubic root of 7931364736 is about 1994.2639593126.

The spelling of 7931364736 in words is "seven billion, nine hundred thirty-one million, three hundred sixty-four thousand, seven hundred thirty-six".