73732216 has 8 divisors (see below), whose sum is σ = 138247920. Its totient is φ = 36866104.

The previous prime is 73732193. The next prime is 73732259. The reversal of 73732216 is 61223737.

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, 4608256 + ... + 4608271.

It is an arithmetic number, because the mean of its divisors is an integer number (17280990).

Almost surely, 2^73732216 is an apocalyptic number.

It is an amenable number.

73732216 is a deficient number, since it is larger than the sum of its proper divisors (64515704).

73732216 is a wasteful number, since it uses less digits than its factorization.

73732216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9216533 (or 9216529 counting only the distinct ones).

The product of its digits is 10584, while the sum is 31.

The square root of 73732216 is about 8586.7465317197. The cubic root of 73732216 is about 419.3266155757.

The spelling of 73732216 in words is "seventy-three million, seven hundred thirty-two thousand, two hundred sixteen".