213702464 has 28 divisors (see below), whose sum is σ = 427178724. Its totient is φ = 106066944.

The previous prime is 213702449. The next prime is 213702509. The reversal of 213702464 is 464207312.

213702464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 96196864 + 117505600 = 9808^2 + 10840^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3419 + ... + 20954.

It is an arithmetic number, because the mean of its divisors is an integer number (15256383).

Almost surely, 2^213702464 is an apocalyptic number.

It is an amenable number.

213702464 is a deficient number, since it is larger than the sum of its proper divisors (213476260).

213702464 is a wasteful number, since it uses less digits than its factorization.

213702464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24522 (or 24512 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 213702464 is about 14618.5657299203. The cubic root of 213702464 is about 597.8650642777.

Adding to 213702464 its reverse (464207312), we get a palindrome (677909776).

The spelling of 213702464 in words is "two hundred thirteen million, seven hundred two thousand, four hundred sixty-four".