73472216 has 8 divisors (see below), whose sum is σ = 137760420. Its totient is φ = 36736104.

The previous prime is 73472207. The next prime is 73472303. The reversal of 73472216 is 61227437.

It is a tau number, because it is divible by the number of its divisors (8).

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, 4592006 + ... + 4592021.

Almost surely, 2^73472216 is an apocalyptic number.

It is an amenable number.

73472216 is a deficient number, since it is larger than the sum of its proper divisors (64288204).

73472216 is a wasteful number, since it uses less digits than its factorization.

73472216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9184033 (or 9184029 counting only the distinct ones).

The product of its digits is 14112, while the sum is 32.

The square root of 73472216 is about 8571.5935507932. The cubic root of 73472216 is about 418.8331482322.

The spelling of 73472216 in words is "seventy-three million, four hundred seventy-two thousand, two hundred sixteen".