72322836 has 24 divisors (see below), whose sum is σ = 169048320. Its totient is φ = 24065472.

The previous prime is 72322819. The next prime is 72322843. The reversal of 72322836 is 63822327.

It is a junction number, because it is equal to n+sod(n) for n = 72322797 and 72322806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2320 + ... + 12248.

It is an arithmetic number, because the mean of its divisors is an integer number (7043680).

Almost surely, 2^72322836 is an apocalyptic number.

It is an amenable number.

72322836 is an abundant number, since it is smaller than the sum of its proper divisors (96725484).

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

72322836 is a wasteful number, since it uses less digits than its factorization.

72322836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543 (or 10541 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 72322836 is about 8504.2833913270. The cubic root of 72322836 is about 416.6376208730.

The spelling of 72322836 in words is "seventy-two million, three hundred twenty-two thousand, eight hundred thirty-six".