72067504 has 20 divisors (see below), whose sum is σ = 143037720. Its totient is φ = 35154560.

The previous prime is 72067477. The next prime is 72067511. The reversal of 72067504 is 40576027.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54274 + ... + 55585.

It is an arithmetic number, because the mean of its divisors is an integer number (7151886).

Almost surely, 2^72067504 is an apocalyptic number.

It is an amenable number.

72067504 is a deficient number, since it is larger than the sum of its proper divisors (70970216).

72067504 is a wasteful number, since it uses less digits than its factorization.

72067504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109908 (or 109902 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 72067504 is about 8489.2581536905. The cubic root of 72067504 is about 416.1467369430.

The spelling of 72067504 in words is "seventy-two million, sixty-seven thousand, five hundred four".