791917273 has 12 divisors (see below), whose sum is σ = 975399732. Its totient is φ = 638856960.

The previous prime is 791917271. The next prime is 791917277. The reversal of 791917273 is 372719197.

It can be written as a sum of positive squares in 2 ways, for example, as 600593049 + 191324224 = 24507^2 + 13832^2 .

It is not a de Polignac number, because 791917273 - 2¹ = 791917271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791917271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 474508 + ... + 476173.

It is an arithmetic number, because the mean of its divisors is an integer number (81283311).

Almost surely, 2^791917273 is an apocalyptic number.

It is an amenable number.

791917273 is a deficient number, since it is larger than the sum of its proper divisors (183482459).

791917273 is a wasteful number, since it uses less digits than its factorization.

791917273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950712 (or 950705 counting only the distinct ones).

The product of its digits is 166698, while the sum is 46.

The square root of 791917273 is about 28141.0247325857. The cubic root of 791917273 is about 925.1807868698.

The spelling of 791917273 in words is "seven hundred ninety-one million, nine hundred seventeen thousand, two hundred seventy-three".