72246168 has 40 divisors (see below), whose sum is σ = 202357980. Its totient is φ = 24081840.

The previous prime is 72246131. The next prime is 72246173. The reversal of 72246168 is 86164227.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55098 + ... + 56393.

Almost surely, 2^72246168 is an apocalyptic number.

It is an amenable number.

72246168 is an abundant number, since it is smaller than the sum of its proper divisors (130111812).

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

72246168 is a wasteful number, since it uses less digits than its factorization.

72246168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111509 (or 111496 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 72246168 is about 8499.7745852464. The cubic root of 72246168 is about 416.4903457345.

The spelling of 72246168 in words is "seventy-two million, two hundred forty-six thousand, one hundred sixty-eight".