72632777156 has 12 divisors (see below), whose sum is σ = 127579879980. Its totient is φ = 36181382880.

The previous prime is 72632777153. The next prime is 72632777171. The reversal of 72632777156 is 65177723627.

It can be written as a sum of positive squares in 2 ways, for example, as 37719854656 + 34912922500 = 194216^2 + 186850^2 .

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 72632777098 and 72632777107.

It is not an unprimeable number, because it can be changed into a prime (72632777153) 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, 33750215 + ... + 33752366.

It is an arithmetic number, because the mean of its divisors is an integer number (10631656665).

Almost surely, 2^72632777156 is an apocalyptic number.

It is an amenable number.

72632777156 is a deficient number, since it is larger than the sum of its proper divisors (54947102824).

72632777156 is a wasteful number, since it uses less digits than its factorization.

72632777156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67502854 (or 67502852 counting only the distinct ones).

The product of its digits is 5186160, while the sum is 53.

The spelling of 72632777156 in words is "seventy-two billion, six hundred thirty-two million, seven hundred seventy-seven thousand, one hundred fifty-six".