790731 has 12 divisors (see below), whose sum is σ = 1154608. Its totient is φ = 521424.

The previous prime is 790709. The next prime is 790733. The reversal of 790731 is 137097.

It is not a de Polignac number, because 790731 - 2⁹ = 790219 is a prime.

It is a super-2 number, since 2×790731² = 1250511028722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 790695 and 790704.

It is not an unprimeable number, because it can be changed into a prime (790733) 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, 501 + ... + 1353.

2⁷⁹⁰⁷³¹ is an apocalyptic number.

790731 is a deficient number, since it is larger than the sum of its proper divisors (363877).

790731 is a wasteful number, since it uses less digits than its factorization.

790731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 790731 is about 889.2305662763. The cubic root of 790731 is about 92.4718589828.

It can be divided in two parts, 790 and 731, that added together give a square (1521 = 39²).

The spelling of 790731 in words is "seven hundred ninety thousand, seven hundred thirty-one".