213474672 has 120 divisors (see below), whose sum is σ = 617866704. Its totient is φ = 68769792.

The previous prime is 213474643. The next prime is 213474689. The reversal of 213474672 is 276474312.

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 23 ways as a sum of consecutive naturals, for example, 633288 + ... + 633624.

Almost surely, 2^213474672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213474672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308933352).

213474672 is an abundant number, since it is smaller than the sum of its proper divisors (404392032).

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

213474672 is a wasteful number, since it uses less digits than its factorization.

213474672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 478 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 213474672 is about 14610.7724641786. The cubic root of 213474672 is about 597.6525611957.

The spelling of 213474672 in words is "two hundred thirteen million, four hundred seventy-four thousand, six hundred seventy-two".