72689698627 has 16 divisors (see below), whose sum is σ = 90034098112. Its totient is φ = 57146394240.

The previous prime is 72689698619. The next prime is 72689698637.

72689698627 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 72689698627 - 2³ = 72689698619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72689698637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2529624 + ... + 2558197.

It is an arithmetic number, because the mean of its divisors is an integer number (5627131132).

Almost surely, 2^72689698627 is an apocalyptic number.

72689698627 is a deficient number, since it is larger than the sum of its proper divisors (17344399485).

72689698627 is a wasteful number, since it uses less digits than its factorization.

72689698627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087998.

The product of its digits is 219469824, while the sum is 70.

The spelling of 72689698627 in words is "seventy-two billion, six hundred eighty-nine million, six hundred ninety-eight thousand, six hundred twenty-seven".