641676952 has 24 divisors (see below), whose sum is σ = 1399576860. Its totient is φ = 275004240.

The previous prime is 641676923. The next prime is 641676961. The reversal of 641676952 is 259676146.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 818074 + ... + 818857.

Almost surely, 2^641676952 is an apocalyptic number.

It is an amenable number.

641676952 is an abundant number, since it is smaller than the sum of its proper divisors (757899908).

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

641676952 is a wasteful number, since it uses less digits than its factorization.

641676952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636951 (or 1636940 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 641676952 is about 25331.3432727126. The cubic root of 641676952 is about 862.5259036399.

The spelling of 641676952 in words is "six hundred forty-one million, six hundred seventy-six thousand, nine hundred fifty-two".