72672216 has 32 divisors (see below), whose sum is σ = 181921200. Its totient is φ = 24192000.

The previous prime is 72672209. The next prime is 72672241. The reversal of 72672216 is 61227627.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22716 + ... + 25716.

Almost surely, 2^72672216 is an apocalyptic number.

It is an amenable number.

72672216 is an abundant number, since it is smaller than the sum of its proper divisors (109248984).

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

72672216 is a wasteful number, since it uses less digits than its factorization.

72672216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019 (or 4015 counting only the distinct ones).

The product of its digits is 14112, while the sum is 33.

The square root of 72672216 is about 8524.8000563063. The cubic root of 72672216 is about 417.3074465553.

The spelling of 72672216 in words is "seventy-two million, six hundred seventy-two thousand, two hundred sixteen".