791662042 has 16 divisors (see below), whose sum is σ = 1194923520. Its totient is φ = 393360912.

The previous prime is 791662021. The next prime is 791662043. The reversal of 791662042 is 240266197.

It is a junction number, because it is equal to n+sod(n) for n = 791661992 and 791662010.

It is not an unprimeable number, because it can be changed into a prime (791662043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330184 + ... + 332572.

It is an arithmetic number, because the mean of its divisors is an integer number (74682720).

Almost surely, 2^791662042 is an apocalyptic number.

791662042 is a deficient number, since it is larger than the sum of its proper divisors (403261478).

791662042 is a wasteful number, since it uses less digits than its factorization.

791662042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357.

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

The square root of 791662042 is about 28136.4895109536. The cubic root of 791662042 is about 925.0813824671.

The spelling of 791662042 in words is "seven hundred ninety-one million, six hundred sixty-two thousand, forty-two".