641094572 has 24 divisors (see below), whose sum is σ = 1144460016. Its totient is φ = 314120768.

The previous prime is 641094547. The next prime is 641094581. The reversal of 641094572 is 275490146.

641094572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641094572² = 822004500495726368, which contains 22 as substring.

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, 270818 + ... + 273174.

It is an arithmetic number, because the mean of its divisors is an integer number (47685834).

Almost surely, 2^641094572 is an apocalyptic number.

It is an amenable number.

641094572 is a deficient number, since it is larger than the sum of its proper divisors (503365444).

641094572 is a wasteful number, since it uses less digits than its factorization.

641094572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697 (or 3695 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 641094572 is about 25319.8454181695. The cubic root of 641094572 is about 862.2648845101.

The spelling of 641094572 in words is "six hundred forty-one million, ninety-four thousand, five hundred seventy-two".