790640641 has 16 divisors (see below), whose sum is σ = 958193280. Its totient is φ = 636860160.

The previous prime is 790640629. The next prime is 790640671. The reversal of 790640641 is 146046097.

It is a cyclic number.

It is not a de Polignac number, because 790640641 - 2⁹ = 790640129 is a prime.

It is a super-2 number, since 2×790640641² = 1250225246401781762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 790640641.

It is not an unprimeable number, because it can be changed into a prime (790640671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79686 + ... + 89056.

It is an arithmetic number, because the mean of its divisors is an integer number (59887080).

Almost surely, 2^790640641 is an apocalyptic number.

It is an amenable number.

790640641 is a deficient number, since it is larger than the sum of its proper divisors (167552639).

790640641 is a wasteful number, since it uses less digits than its factorization.

790640641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10104.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 790640641 is about 28118.3328275344. The cubic root of 790640641 is about 924.6833651100.

The spelling of 790640641 in words is "seven hundred ninety million, six hundred forty thousand, six hundred forty-one".