213373790 has 16 divisors (see below), whose sum is σ = 438940512. Its totient is φ = 73156704.

The previous prime is 213373789. The next prime is 213373807. The reversal of 213373790 is 97373312.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 213373790.

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, 1524029 + ... + 1524168.

It is an arithmetic number, because the mean of its divisors is an integer number (27433782).

Almost surely, 2^213373790 is an apocalyptic number.

213373790 is an abundant number, since it is smaller than the sum of its proper divisors (225566722).

213373790 is a wasteful number, since it uses less digits than its factorization.

213373790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048211.

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 213373790 is about 14607.3197404589. The cubic root of 213373790 is about 597.5584018823.

The spelling of 213373790 in words is "two hundred thirteen million, three hundred seventy-three thousand, seven hundred ninety".