345688732 has 12 divisors (see below), whose sum is σ = 605178000. Its totient is φ = 172780736.

The previous prime is 345688709. The next prime is 345688747. The reversal of 345688732 is 237886543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2413 + ... + 26404.

It is an arithmetic number, because the mean of its divisors is an integer number (50431500).

Almost surely, 2^345688732 is an apocalyptic number.

It is an amenable number.

345688732 is a deficient number, since it is larger than the sum of its proper divisors (259489268).

345688732 is a wasteful number, since it uses less digits than its factorization.

345688732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31820 (or 31818 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The square root of 345688732 is about 18592.7064194538. The cubic root of 345688732 is about 701.8243108147.

The spelling of 345688732 in words is "three hundred forty-five million, six hundred eighty-eight thousand, seven hundred thirty-two".