213203074 has 16 divisors (see below), whose sum is σ = 365698368. Its totient is φ = 91320912.

The previous prime is 213203063. The next prime is 213203117. The reversal of 213203074 is 470302312.

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, 31452 + ... + 37624.

It is an arithmetic number, because the mean of its divisors is an integer number (22856148).

Almost surely, 2^213203074 is an apocalyptic number.

213203074 is a deficient number, since it is larger than the sum of its proper divisors (152495294).

213203074 is a wasteful number, since it uses less digits than its factorization.

213203074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8649.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 213203074 is about 14601.4750624723. The cubic root of 213203074 is about 597.3989946150.

Adding to 213203074 its reverse (470302312), we get a palindrome (683505386).

The spelling of 213203074 in words is "two hundred thirteen million, two hundred three thousand, seventy-four".