791919073 has 4 divisors (see below), whose sum is σ = 863911728. Its totient is φ = 719926420.

The previous prime is 791919071. The next prime is 791919101. The reversal of 791919073 is 370919197.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 791919073 - 2¹ = 791919071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791919071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35996311 + ... + 35996332.

It is an arithmetic number, because the mean of its divisors is an integer number (215977932).

Almost surely, 2^791919073 is an apocalyptic number.

It is an amenable number.

791919073 is a deficient number, since it is larger than the sum of its proper divisors (71992655).

791919073 is a wasteful number, since it uses less digits than its factorization.

791919073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71992654.

The product of its (nonzero) digits is 107163, while the sum is 46.

The square root of 791919073 is about 28141.0567143453. The cubic root of 791919073 is about 925.1814878370.

The spelling of 791919073 in words is "seven hundred ninety-one million, nine hundred nineteen thousand, seventy-three".