641074732 has 6 divisors (see below), whose sum is σ = 1121880788. Its totient is φ = 320537364.

The previous prime is 641074703. The next prime is 641074741. The reversal of 641074732 is 237470146.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80134338 + ... + 80134345.

Almost surely, 2^641074732 is an apocalyptic number.

It is an amenable number.

641074732 is a deficient number, since it is larger than the sum of its proper divisors (480806056).

641074732 is a wasteful number, since it uses less digits than its factorization.

641074732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160268687 (or 160268685 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 641074732 is about 25319.4536275963. The cubic root of 641074732 is about 862.2559895605.

The spelling of 641074732 in words is "six hundred forty-one million, seventy-four thousand, seven hundred thirty-two".