7936672544 has 24 divisors (see below), whose sum is σ = 15800895180. Its totient is φ = 3923746816.

The previous prime is 7936672543. The next prime is 7936672553. The reversal of 7936672544 is 4452766397.

It can be written as a sum of positive squares in 2 ways, for example, as 7918864144 + 17808400 = 88988^2 + 4220^2 .

It is not an unprimeable number, because it can be changed into a prime (7936672543) 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, 1390529 + ... + 1396224.

Almost surely, 2^7936672544 is an apocalyptic number.

It is an amenable number.

7936672544 is a deficient number, since it is larger than the sum of its proper divisors (7864222636).

7936672544 is a wasteful number, since it uses less digits than its factorization.

7936672544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786852 (or 2786844 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 53.

The square root of 7936672544 is about 89088.0044899424. The cubic root of 7936672544 is about 1994.7087255526.

The spelling of 7936672544 in words is "seven billion, nine hundred thirty-six million, six hundred seventy-two thousand, five hundred forty-four".