72879036 has 24 divisors (see below), whose sum is σ = 170664144. Its totient is φ = 24205440.

The previous prime is 72879013. The next prime is 72879067. The reversal of 72879036 is 63097827.

It is a super-2 number, since 2×72879036² = 10622707776578592, 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, 7435 + ... + 14178.

It is an arithmetic number, because the mean of its divisors is an integer number (7111006).

Almost surely, 2^72879036 is an apocalyptic number.

It is an amenable number.

72879036 is an abundant number, since it is smaller than the sum of its proper divisors (97785108).

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

72879036 is a wasteful number, since it uses less digits than its factorization.

72879036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21901 (or 21899 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 72879036 is about 8536.9219277208. The cubic root of 72879036 is about 417.7029474542.

The spelling of 72879036 in words is "seventy-two million, eight hundred seventy-nine thousand, thirty-six".