509373972 has 36 divisors (see below), whose sum is σ = 1288691040. Its totient is φ = 169645392.

The previous prime is 509373961. The next prime is 509374003. The reversal of 509373972 is 279373905.

509373972 is a `hidden beast` number, since 509 + 3 + 73 + 9 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41479 + ... + 52337.

Almost surely, 2^509373972 is an apocalyptic number.

It is an amenable number.

509373972 is an abundant number, since it is smaller than the sum of its proper divisors (779317068).

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

509373972 is a wasteful number, since it uses less digits than its factorization.

509373972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12172 (or 12167 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 45.

The square root of 509373972 is about 22569.3148323116. The cubic root of 509373972 is about 798.6299320651.

The spelling of 509373972 in words is "five hundred nine million, three hundred seventy-three thousand, nine hundred seventy-two".