73997612 has 24 divisors (see below), whose sum is σ = 139708800. Its totient is φ = 34091136.

The previous prime is 73997611. The next prime is 73997629. The reversal of 73997612 is 21679937.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73997611) 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, 41189 + ... + 42947.

It is an arithmetic number, because the mean of its divisors is an integer number (5821200).

Almost surely, 2^73997612 is an apocalyptic number.

It is an amenable number.

73997612 is a deficient number, since it is larger than the sum of its proper divisors (65711188).

73997612 is a wasteful number, since it uses less digits than its factorization.

73997612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585 (or 2583 counting only the distinct ones).

The product of its digits is 142884, while the sum is 44.

The square root of 73997612 is about 8602.1864662422. The cubic root of 73997612 is about 419.8291292839.

The spelling of 73997612 in words is "seventy-three million, nine hundred ninety-seven thousand, six hundred twelve".