73972516 has 12 divisors (see below), whose sum is σ = 129548160. Its totient is φ = 36958760.

The previous prime is 73972477. The next prime is 73972517. The reversal of 73972516 is 61527937.

It is not an unprimeable number, because it can be changed into a prime (73972517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76 + ... + 12163.

It is an arithmetic number, because the mean of its divisors is an integer number (10795680).

Almost surely, 2^73972516 is an apocalyptic number.

It is an amenable number.

73972516 is a deficient number, since it is larger than the sum of its proper divisors (55575644).

73972516 is a wasteful number, since it uses less digits than its factorization.

73972516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13754 (or 13752 counting only the distinct ones).

The product of its digits is 79380, while the sum is 40.

The square root of 73972516 is about 8600.7276436357. The cubic root of 73972516 is about 419.7816627830.

The spelling of 73972516 in words is "seventy-three million, nine hundred seventy-two thousand, five hundred sixteen".