72621168 has 40 divisors (see below), whose sum is σ = 192185616. Its totient is φ = 23616000.

The previous prime is 72621151. The next prime is 72621169. The reversal of 72621168 is 86112627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72621169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16483 + ... + 20418.

Almost surely, 2^72621168 is an apocalyptic number.

It is an amenable number.

72621168 is an abundant number, since it is smaller than the sum of its proper divisors (119564448).

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

72621168 is a wasteful number, since it uses less digits than its factorization.

72621168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36953 (or 36947 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 72621168 is about 8521.8054425104. The cubic root of 72621168 is about 417.2097122738.

The spelling of 72621168 in words is "seventy-two million, six hundred twenty-one thousand, one hundred sixty-eight".