73539216 has 60 divisors (see below), whose sum is σ = 206439168. Its totient is φ = 24437952.

The previous prime is 73539203. The next prime is 73539241. The reversal of 73539216 is 61293537.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66121 + ... + 67223.

Almost surely, 2^73539216 is an apocalyptic number.

It is an amenable number.

73539216 is an abundant number, since it is smaller than the sum of its proper divisors (132899952).

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

73539216 is a wasteful number, since it uses less digits than its factorization.

73539216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580 (or 1571 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 73539216 is about 8575.5009183138. The cubic root of 73539216 is about 418.9604221725.

The spelling of 73539216 in words is "seventy-three million, five hundred thirty-nine thousand, two hundred sixteen".