72656036 has 12 divisors (see below), whose sum is σ = 127234800. Its totient is φ = 36303240.

The previous prime is 72656029. The next prime is 72656039. The reversal of 72656036 is 63065627.

It is a junction number, because it is equal to n+sod(n) for n = 72655987 and 72656005.

It is not an unprimeable number, because it can be changed into a prime (72656039) 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, 1451 + ... + 12141.

It is an arithmetic number, because the mean of its divisors is an integer number (10602900).

Almost surely, 2^72656036 is an apocalyptic number.

It is an amenable number.

72656036 is a deficient number, since it is larger than the sum of its proper divisors (54578764).

72656036 is a wasteful number, since it uses less digits than its factorization.

72656036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12394 (or 12392 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 72656036 is about 8523.8510076139. The cubic root of 72656036 is about 417.2764739865.

The spelling of 72656036 in words is "seventy-two million, six hundred fifty-six thousand, thirty-six".