72624056836 has 6 divisors (see below), whose sum is σ = 127092099470. Its totient is φ = 36312028416.

The previous prime is 72624056777. The next prime is 72624056851. The reversal of 72624056836 is 63865042627.

It can be written as a sum of positive squares in only one way, i.e., 59146240000 + 13477816836 = 243200^2 + 116094^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72624056836.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9078007101 + ... + 9078007108.

Almost surely, 2^72624056836 is an apocalyptic number.

It is an amenable number.

72624056836 is a deficient number, since it is larger than the sum of its proper divisors (54468042634).

72624056836 is a wasteful number, since it uses less digits than its factorization.

72624056836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18156014213 (or 18156014211 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 72624056836 in words is "seventy-two billion, six hundred twenty-four million, fifty-six thousand, eight hundred thirty-six".