72553036 has 12 divisors (see below), whose sum is σ = 127096200. Its totient is φ = 36239840.

The previous prime is 72552947. The next prime is 72553037. The reversal of 72553036 is 63035527.

It is a junction number, because it is equal to n+sod(n) for n = 72552989 and 72553007.

It is not an unprimeable number, because it can be changed into a prime (72553037) 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, 4450 + ... + 12841.

It is an arithmetic number, because the mean of its divisors is an integer number (10591350).

Almost surely, 2^72553036 is an apocalyptic number.

It is an amenable number.

72553036 is a deficient number, since it is larger than the sum of its proper divisors (54543164).

72553036 is a wasteful number, since it uses less digits than its factorization.

72553036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18344 (or 18342 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 72553036 is about 8517.8069947610. The cubic root of 72553036 is about 417.0791983253.

The spelling of 72553036 in words is "seventy-two million, five hundred fifty-three thousand, thirty-six".