73312916 has 12 divisors (see below), whose sum is σ = 129148320. Its totient is φ = 36413400.

The previous prime is 73312913. The next prime is 73312927. The reversal of 73312916 is 61921337.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73312913) 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 3 ways as a sum of consecutive naturals, for example, 60086 + ... + 61293.

It is an arithmetic number, because the mean of its divisors is an integer number (10762360).

Almost surely, 2^73312916 is an apocalyptic number.

It is an amenable number.

73312916 is a deficient number, since it is larger than the sum of its proper divisors (55835404).

73312916 is a wasteful number, since it uses less digits than its factorization.

73312916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121534 (or 121532 counting only the distinct ones).

The product of its digits is 6804, while the sum is 32.

The square root of 73312916 is about 8562.2961873554. The cubic root of 73312916 is about 418.5302291950.

The spelling of 73312916 in words is "seventy-three million, three hundred twelve thousand, nine hundred sixteen".