791559972 has 96 divisors (see below), whose sum is σ = 2378557440. Its totient is φ = 222959520.

The previous prime is 791559919. The next prime is 791559991. The reversal of 791559972 is 279955197.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46303 + ... + 61049.

It is an arithmetic number, because the mean of its divisors is an integer number (24776640).

Almost surely, 2^791559972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 791559972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1189278720).

791559972 is an abundant number, since it is smaller than the sum of its proper divisors (1586997468).

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

791559972 is a wasteful number, since it uses less digits than its factorization.

791559972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14838 (or 14830 counting only the distinct ones).

The product of its digits is 1786050, while the sum is 54.

The square root of 791559972 is about 28134.6756156882. The cubic root of 791559972 is about 925.0416234496.

The spelling of 791559972 in words is "seven hundred ninety-one million, five hundred fifty-nine thousand, nine hundred seventy-two".