791668442 has 16 divisors (see below), whose sum is σ = 1229770080. Its totient is φ = 381967152.

The previous prime is 791668433. The next prime is 791668457. The reversal of 791668442 is 244866197.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48317 + ... + 62592.

It is an arithmetic number, because the mean of its divisors is an integer number (76860630).

Almost surely, 2^791668442 is an apocalyptic number.

791668442 is a deficient number, since it is larger than the sum of its proper divisors (438101638).

791668442 is a wasteful number, since it uses less digits than its factorization.

791668442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111037.

The product of its digits is 580608, while the sum is 47.

The square root of 791668442 is about 28136.6032420404. The cubic root of 791668442 is about 925.0838753259.

The spelling of 791668442 in words is "seven hundred ninety-one million, six hundred sixty-eight thousand, four hundred forty-two".