791747872 has 12 divisors (see below), whose sum is σ = 1558753686. Its totient is φ = 395873920.

The previous prime is 791747857. The next prime is 791747893. The reversal of 791747872 is 278747197.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 465006096 + 326741776 = 21564^2 + 18076^2 .

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 as a sum of consecutive naturals, namely, 12371029 + ... + 12371092.

Almost surely, 2^791747872 is an apocalyptic number.

It is an amenable number.

791747872 is a deficient number, since it is larger than the sum of its proper divisors (767005814).

791747872 is a wasteful number, since it uses less digits than its factorization.

791747872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24742131 (or 24742123 counting only the distinct ones).

The product of its digits is 1382976, while the sum is 52.

The square root of 791747872 is about 28138.0147131954. The cubic root of 791747872 is about 925.1148129217.

The spelling of 791747872 in words is "seven hundred ninety-one million, seven hundred forty-seven thousand, eight hundred seventy-two".