641075795 has 16 divisors (see below), whose sum is σ = 789632928. Its totient is φ = 499349760.

The previous prime is 641075783. The next prime is 641075821. The reversal of 641075795 is 597570146.

It is not a de Polignac number, because 641075795 - 2⁶ = 641075731 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109277 + ... + 114993.

It is an arithmetic number, because the mean of its divisors is an integer number (49352058).

Almost surely, 2^641075795 is an apocalyptic number.

641075795 is a deficient number, since it is larger than the sum of its proper divisors (148557133).

641075795 is a wasteful number, since it uses less digits than its factorization.

641075795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6310.

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 641075795 is about 25319.4746193518. The cubic root of 641075795 is about 862.2564661443.

The spelling of 641075795 in words is "six hundred forty-one million, seventy-five thousand, seven hundred ninety-five".