72115477627 has 16 divisors (see below), whose sum is σ = 75642462720. Its totient is φ = 68621731200.

The previous prime is 72115477619. The next prime is 72115477639. The reversal of 72115477627 is 72677451127.

It is a cyclic number.

It is not a de Polignac number, because 72115477627 - 2³ = 72115477619 is a prime.

It is a super-2 number, since 2×72115477627² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72115477667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5708524 + ... + 5721142.

It is an arithmetic number, because the mean of its divisors is an integer number (4727653920).

Almost surely, 2^72115477627 is an apocalyptic number.

72115477627 is a deficient number, since it is larger than the sum of its proper divisors (3526985093).

72115477627 is a wasteful number, since it uses less digits than its factorization.

72115477627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13914.

The product of its digits is 1152480, while the sum is 49.

The spelling of 72115477627 in words is "seventy-two billion, one hundred fifteen million, four hundred seventy-seven thousand, six hundred twenty-seven".