72372536 has 48 divisors (see below), whose sum is σ = 150528240. Its totient is φ = 32552960.

The previous prime is 72372497. The next prime is 72372551. The reversal of 72372536 is 63527327.

It is a junction number, because it is equal to n+sod(n) for n = 72372496 and 72372505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52496 + ... + 53856.

It is an arithmetic number, because the mean of its divisors is an integer number (3136005).

Almost surely, 2^72372536 is an apocalyptic number.

It is an amenable number.

72372536 is an abundant number, since it is smaller than the sum of its proper divisors (78155704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72372536 is a wasteful number, since it uses less digits than its factorization.

72372536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424 (or 1403 counting only the distinct ones).

The product of its digits is 52920, while the sum is 35.

The square root of 72372536 is about 8507.2049463969. The cubic root of 72372536 is about 416.7330363254.

The spelling of 72372536 in words is "seventy-two million, three hundred seventy-two thousand, five hundred thirty-six".