641338070 has 16 divisors (see below), whose sum is σ = 1171639728. Its totient is φ = 252706080.

The previous prime is 641338051. The next prime is 641338099. The reversal of 641338070 is 70833146.

It is a super-2 number, since 2×641338070² = 822629040062649800, which contains 22 as substring.

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, 477941 + ... + 479280.

It is an arithmetic number, because the mean of its divisors is an integer number (73227483).

Almost surely, 2^641338070 is an apocalyptic number.

641338070 is a deficient number, since it is larger than the sum of its proper divisors (530301658).

641338070 is a wasteful number, since it uses less digits than its factorization.

641338070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957295.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 641338070 is about 25324.6534033538. The cubic root of 641338070 is about 862.3740380358.

The spelling of 641338070 in words is "six hundred forty-one million, three hundred thirty-eight thousand, seventy".