641006704 has 20 divisors (see below), whose sum is σ = 1337485576. Its totient is φ = 295849152.

The previous prime is 641006687. The next prime is 641006713. The reversal of 641006704 is 407600146.

641006704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1540674 + ... + 1541089.

Almost surely, 2^641006704 is an apocalyptic number.

It is an amenable number.

641006704 is an abundant number, since it is smaller than the sum of its proper divisors (696478872).

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

641006704 is a wasteful number, since it uses less digits than its factorization.

641006704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081784 (or 3081778 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 641006704 is about 25318.1101980381. The cubic root of 641006704 is about 862.2254888911.

The spelling of 641006704 in words is "six hundred forty-one million, six thousand, seven hundred four".