346734731 has 12 divisors (see below), whose sum is σ = 405685872. Its totient is φ = 295476048.

The previous prime is 346734727. The next prime is 346734749. The reversal of 346734731 is 137437643.

It is not a de Polignac number, because 346734731 - 2² = 346734727 is a prime.

It is a super-2 number, since 2×346734731² = 240449947363284722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346730731) 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, 11975 + ... + 28928.

It is an arithmetic number, because the mean of its divisors is an integer number (33807156).

Almost surely, 2^346734731 is an apocalyptic number.

346734731 is a deficient number, since it is larger than the sum of its proper divisors (58951141).

346734731 is a wasteful number, since it uses less digits than its factorization.

346734731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41090 (or 41083 counting only the distinct ones).

The product of its digits is 127008, while the sum is 38.

The square root of 346734731 is about 18620.8144558717. The cubic root of 346734731 is about 702.5314675435.

The spelling of 346734731 in words is "three hundred forty-six million, seven hundred thirty-four thousand, seven hundred thirty-one".