72322468 has 24 divisors (see below), whose sum is σ = 128701440. Its totient is φ = 35555520.

The previous prime is 72322451. The next prime is 72322469. The reversal of 72322468 is 86422327.

It is a super-2 number, since 2×72322468² = 10461078755222048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72322469) by changing a digit.

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, 78933 + ... + 79843.

It is an arithmetic number, because the mean of its divisors is an integer number (5362560).

Almost surely, 2^72322468 is an apocalyptic number.

It is an amenable number.

72322468 is a deficient number, since it is larger than the sum of its proper divisors (56378972).

72322468 is a wasteful number, since it uses less digits than its factorization.

72322468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227 (or 1225 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 72322468 is about 8504.2617551437. The cubic root of 72322468 is about 416.6369142133.

The spelling of 72322468 in words is "seventy-two million, three hundred twenty-two thousand, four hundred sixty-eight".