73122972 has 24 divisors (see below), whose sum is σ = 183745296. Its totient is φ = 22499328.

The previous prime is 73122947. The next prime is 73122991. The reversal of 73122972 is 27922137.

It is a super-2 number, since 2×73122972² = 10693938068225568, which contains 22 as substring.

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, 234213 + ... + 234524.

It is an arithmetic number, because the mean of its divisors is an integer number (7656054).

Almost surely, 2^73122972 is an apocalyptic number.

It is an amenable number.

73122972 is an abundant number, since it is smaller than the sum of its proper divisors (110622324).

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

73122972 is a wasteful number, since it uses less digits than its factorization.

73122972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468757 (or 468755 counting only the distinct ones).

The product of its digits is 10584, while the sum is 33.

The square root of 73122972 is about 8551.1971091772. The cubic root of 73122972 is about 418.1684645618.

The spelling of 73122972 in words is "seventy-three million, one hundred twenty-two thousand, nine hundred seventy-two".