345730328 has 16 divisors (see below), whose sum is σ = 652375680. Its totient is φ = 171763488.

The previous prime is 345730313. The next prime is 345730337. The reversal of 345730328 is 823037543.

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, 136376 + ... + 138887.

It is an arithmetic number, because the mean of its divisors is an integer number (40773480).

Almost surely, 2^345730328 is an apocalyptic number.

It is an amenable number.

345730328 is a deficient number, since it is larger than the sum of its proper divisors (306645352).

345730328 is a wasteful number, since it uses less digits than its factorization.

345730328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275426 (or 275422 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 345730328 is about 18593.8249964874. The cubic root of 345730328 is about 701.8524593681.

The spelling of 345730328 in words is "three hundred forty-five million, seven hundred thirty thousand, three hundred twenty-eight".