345306474 has 12 divisors (see below), whose sum is σ = 748164066. Its totient is φ = 115102152.

The previous prime is 345306449. The next prime is 345306491. The reversal of 345306474 is 474603543.

It is a happy number.

345306474 is a `hidden beast` number, since 3 + 4 + 5 + 3 + 0 + 647 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 324540225 + 20766249 = 18015^2 + 4557^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9591829 + ... + 9591864.

Almost surely, 2^345306474 is an apocalyptic number.

345306474 is an abundant number, since it is smaller than the sum of its proper divisors (402857592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345306474 is a wasteful number, since it uses less digits than its factorization.

345306474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19183701 (or 19183698 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The square root of 345306474 is about 18582.4237923905. The cubic root of 345306474 is about 701.5655260763.

The spelling of 345306474 in words is "three hundred forty-five million, three hundred six thousand, four hundred seventy-four".