72975930 has 32 divisors (see below), whose sum is σ = 177614208. Its totient is φ = 19185600.

The previous prime is 72975923. The next prime is 72975961. The reversal of 72975930 is 3957927.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15001 + ... + 19260.

It is an arithmetic number, because the mean of its divisors is an integer number (5550444).

Almost surely, 2^72975930 is an apocalyptic number.

72975930 is an abundant number, since it is smaller than the sum of its proper divisors (104638278).

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

72975930 is a wasteful number, since it uses less digits than its factorization.

72975930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34342.

The product of its (nonzero) digits is 119070, while the sum is 42.

The square root of 72975930 is about 8542.5950389797. The cubic root of 72975930 is about 417.8879800249.

The spelling of 72975930 in words is "seventy-two million, nine hundred seventy-five thousand, nine hundred thirty".