73284916 has 6 divisors (see below), whose sum is σ = 128248610. Its totient is φ = 36642456.

The previous prime is 73284863. The next prime is 73284929. The reversal of 73284916 is 61948237.

It can be written as a sum of positive squares in only one way, i.e., 40908816 + 32376100 = 6396^2 + 5690^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9160611 + ... + 9160618.

Almost surely, 2^73284916 is an apocalyptic number.

It is an amenable number.

73284916 is a deficient number, since it is larger than the sum of its proper divisors (54963694).

73284916 is a wasteful number, since it uses less digits than its factorization.

73284916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18321233 (or 18321231 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 73284916 is about 8560.6609557907. The cubic root of 73284916 is about 418.4769400918.

The spelling of 73284916 in words is "seventy-three million, two hundred eighty-four thousand, nine hundred sixteen".