345730372 has 12 divisors (see below), whose sum is σ = 651568876. Its totient is φ = 159567840.

The previous prime is 345730369. The next prime is 345730381. The reversal of 345730372 is 273037543.

It can be written as a sum of positive squares in 2 ways, for example, as 62346816 + 283383556 = 7896^2 + 16834^2 .

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, 3324279 + ... + 3324382.

Almost surely, 2^345730372 is an apocalyptic number.

It is an amenable number.

345730372 is a deficient number, since it is larger than the sum of its proper divisors (305838504).

345730372 is a wasteful number, since it uses less digits than its factorization.

345730372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6648678 (or 6648676 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 34.

The square root of 345730372 is about 18593.8261796759. The cubic root of 345730372 is about 701.8524891423.

The spelling of 345730372 in words is "three hundred forty-five million, seven hundred thirty thousand, three hundred seventy-two".