731655713 has 12 divisors (see below), whose sum is σ = 746132688. Its totient is φ = 717444000.

The previous prime is 731655697. The next prime is 731655733. The reversal of 731655713 is 317556137.

It is not a de Polignac number, because 731655713 - 2⁴ = 731655697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (731655733) 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, 1337306 + ... + 1337852.

It is an arithmetic number, because the mean of its divisors is an integer number (62177724).

Almost surely, 2^731655713 is an apocalyptic number.

731655713 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

731655713 is a deficient number, since it is larger than the sum of its proper divisors (14476975).

731655713 is an equidigital number, since it uses as much as digits as its factorization.

731655713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 871 counting only the distinct ones).

The product of its digits is 66150, while the sum is 38.

The square root of 731655713 is about 27049.1351617755. The cubic root of 731655713 is about 901.0915615767.

The spelling of 731655713 in words is "seven hundred thirty-one million, six hundred fifty-five thousand, seven hundred thirteen".