641341572 has 24 divisors (see below), whose sum is σ = 1536909696. Its totient is φ = 208002528.

The previous prime is 641341559. The next prime is 641341579. The reversal of 641341572 is 275143146.

It is a super-2 number, since 2×641341572² = 822638023950862368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641341579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721788 + ... + 722675.

It is an arithmetic number, because the mean of its divisors is an integer number (64037904).

Almost surely, 2^641341572 is an apocalyptic number.

It is an amenable number.

641341572 is an abundant number, since it is smaller than the sum of its proper divisors (895568124).

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

641341572 is a wasteful number, since it uses less digits than its factorization.

641341572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444507 (or 1444505 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 641341572 is about 25324.7225453706. The cubic root of 641341572 is about 862.3756076855.

The spelling of 641341572 in words is "six hundred forty-one million, three hundred forty-one thousand, five hundred seventy-two".