7649944272 has 60 divisors (see below), whose sum is σ = 21426175264. Its totient is φ = 2547961920.

The previous prime is 7649944259. The next prime is 7649944297. The reversal of 7649944272 is 2724499467.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167247 + ... + 208017.

Almost surely, 2^7649944272 is an apocalyptic number.

7649944272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7649944272 is an abundant number, since it is smaller than the sum of its proper divisors (13776230992).

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

7649944272 is a wasteful number, since it uses less digits than its factorization.

7649944272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42088 (or 42079 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 7649944272 is about 87463.9598463276. The cubic root of 7649944272 is about 1970.3925516613.

The spelling of 7649944272 in words is "seven billion, six hundred forty-nine million, nine hundred forty-four thousand, two hundred seventy-two".