8726272644 has 24 divisors (see below), whose sum is σ = 20362975360. Its totient is φ = 2908518624.

The previous prime is 8726272627. The next prime is 8726272651. The reversal of 8726272644 is 4462726278.

It is a super-2 number, since 2×8726272644² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8726272593 and 8726272602.

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, 182997 + ... + 225699.

Almost surely, 2^8726272644 is an apocalyptic number.

It is an amenable number.

8726272644 is an abundant number, since it is smaller than the sum of its proper divisors (11636702716).

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

8726272644 is a wasteful number, since it uses less digits than its factorization.

8726272644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59739 (or 59737 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 48.

The square root of 8726272644 is about 93414.5205200990. The cubic root of 8726272644 is about 2058.7783503487.

The spelling of 8726272644 in words is "eight billion, seven hundred twenty-six million, two hundred seventy-two thousand, six hundred forty-four".