791522560 has 36 divisors (see below), whose sum is σ = 1895946948. Its totient is φ = 316608512.

The previous prime is 791522551. The next prime is 791522581. The reversal of 791522560 is 65225197.

It can be written as a sum of positive squares in 2 ways, for example, as 581388544 + 210134016 = 24112^2 + 14496^2 .

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, 307909 + ... + 310468.

It is an arithmetic number, because the mean of its divisors is an integer number (52665193).

Almost surely, 2^791522560 is an apocalyptic number.

It is an amenable number.

791522560 is an abundant number, since it is smaller than the sum of its proper divisors (1104424388).

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

791522560 is an equidigital number, since it uses as much as digits as its factorization.

791522560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618398 (or 618384 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 791522560 is about 28134.0107343407. The cubic root of 791522560 is about 925.0270496107.

The spelling of 791522560 in words is "seven hundred ninety-one million, five hundred twenty-two thousand, five hundred sixty".