345274730 has 16 divisors (see below), whose sum is σ = 622978344. Its totient is φ = 137780160.

The previous prime is 345274717. The next prime is 345274747. The reversal of 345274730 is 37472543.

It can be written as a sum of positive squares in 4 ways, for example, as 42549529 + 302725201 = 6523^2 + 17399^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36797 + ... + 45216.

Almost surely, 2^345274730 is an apocalyptic number.

345274730 is a deficient number, since it is larger than the sum of its proper divisors (277703614).

345274730 is a wasteful number, since it uses less digits than its factorization.

345274730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82441.

The product of its (nonzero) digits is 70560, while the sum is 35.

The square root of 345274730 is about 18581.5696322996. The cubic root of 345274730 is about 701.5440271275.

The spelling of 345274730 in words is "three hundred forty-five million, two hundred seventy-four thousand, seven hundred thirty".