213708672 has 64 divisors (see below), whose sum is σ = 630747600. Its totient is φ = 71235072.

The previous prime is 213708661. The next prime is 213708689. The reversal of 213708672 is 276807312.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 27463 + ... + 34374.

Almost surely, 2^213708672 is an apocalyptic number.

It is an amenable number.

213708672 is an abundant number, since it is smaller than the sum of its proper divisors (417038928).

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

213708672 is an equidigital number, since it uses as much as digits as its factorization.

213708672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61860 (or 61842 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 213708672 is about 14618.7780611103. The cubic root of 213708672 is about 597.8708534956.

The spelling of 213708672 in words is "two hundred thirteen million, seven hundred eight thousand, six hundred seventy-two".