7931995432 has 16 divisors (see below), whose sum is σ = 15116303700. Its totient is φ = 3900981120.

The previous prime is 7931995427. The next prime is 7931995433. The reversal of 7931995432 is 2345991397.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7107501636 + 824493796 = 84306^2 + 28714^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7931995432.

It is not an unprimeable number, because it can be changed into a prime (7931995433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8126557 + ... + 8127532.

Almost surely, 2^7931995432 is an apocalyptic number.

It is an amenable number.

7931995432 is a deficient number, since it is larger than the sum of its proper divisors (7184308268).

7931995432 is a wasteful number, since it uses less digits than its factorization.

7931995432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16254156 (or 16254152 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 52.

The square root of 7931995432 is about 89061.7506677249. The cubic root of 7931995432 is about 1994.3168186883.

The spelling of 7931995432 in words is "seven billion, nine hundred thirty-one million, nine hundred ninety-five thousand, four hundred thirty-two".