791388320 has 24 divisors (see below), whose sum is σ = 1869655284. Its totient is φ = 316555264.

The previous prime is 791388307. The next prime is 791388341. The reversal of 791388320 is 23883197.

It can be written as a sum of positive squares in 2 ways, for example, as 712462864 + 78925456 = 26692^2 + 8884^2 .

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 3 ways as a sum of consecutive naturals, for example, 2472929 + ... + 2473248.

Almost surely, 2^791388320 is an apocalyptic number.

It is an amenable number.

791388320 is an abundant number, since it is smaller than the sum of its proper divisors (1078266964).

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

791388320 is a wasteful number, since it uses less digits than its factorization.

791388320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4946192 (or 4946184 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 791388320 is about 28131.6249086326. The cubic root of 791388320 is about 924.9747526588.

The spelling of 791388320 in words is "seven hundred ninety-one million, three hundred eighty-eight thousand, three hundred twenty".