72169468 has 24 divisors (see below), whose sum is σ = 144886784. Its totient is φ = 30812400.

The previous prime is 72169453. The next prime is 72169481. The reversal of 72169468 is 86496127.

It is a super-2 number, since 2×72169468² = 10416864222806048, which contains 22 as substring.

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, 2833 + ... + 12343.

Almost surely, 2^72169468 is an apocalyptic number.

It is an amenable number.

72169468 is an abundant number, since it is smaller than the sum of its proper divisors (72717316).

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

72169468 is a wasteful number, since it uses less digits than its factorization.

72169468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9793 (or 9791 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 72169468 is about 8495.2615027438. The cubic root of 72169468 is about 416.3429048308.

The spelling of 72169468 in words is "seventy-two million, one hundred sixty-nine thousand, four hundred sixty-eight".