72628216 has 32 divisors (see below), whose sum is σ = 144987840. Its totient is φ = 33988608.

The previous prime is 72628189. The next prime is 72628223. The reversal of 72628216 is 61282627.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24865 + ... + 27631.

It is an arithmetic number, because the mean of its divisors is an integer number (4530870).

Almost surely, 2^72628216 is an apocalyptic number.

It is an amenable number.

72628216 is a deficient number, since it is larger than the sum of its proper divisors (72359624).

72628216 is a wasteful number, since it uses less digits than its factorization.

72628216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983 (or 2979 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 72628216 is about 8522.2189598719. The cubic root of 72628216 is about 417.2232087929.

The spelling of 72628216 in words is "seventy-two million, six hundred twenty-eight thousand, two hundred sixteen".