72973322 has 16 divisors (see below), whose sum is σ = 112698432. Its totient is φ = 35417760.

The previous prime is 72973321. The next prime is 72973339. The reversal of 72973322 is 22337927.

It is not an unprimeable number, because it can be changed into a prime (72973321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11822 + ... + 16902.

It is an arithmetic number, because the mean of its divisors is an integer number (7043652).

Almost surely, 2^72973322 is an apocalyptic number.

72973322 is a deficient number, since it is larger than the sum of its proper divisors (39725110).

72973322 is a wasteful number, since it uses less digits than its factorization.

72973322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293.

The product of its digits is 31752, while the sum is 35.

The square root of 72973322 is about 8542.4423907920. The cubic root of 72973322 is about 417.8830018317.

The spelling of 72973322 in words is "seventy-two million, nine hundred seventy-three thousand, three hundred twenty-two".