345274770 has 16 divisors (see below), whose sum is σ = 828659520. Its totient is φ = 92073264.

The previous prime is 345274747. The next prime is 345274819. The reversal of 345274770 is 77472543.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5754550 + ... + 5754609.

It is an arithmetic number, because the mean of its divisors is an integer number (51791220).

Almost surely, 2^345274770 is an apocalyptic number.

345274770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345274770 is an abundant number, since it is smaller than the sum of its proper divisors (483384750).

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

345274770 is a wasteful number, since it uses less digits than its factorization.

345274770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11509169.

The product of its (nonzero) digits is 164640, while the sum is 39.

The square root of 345274770 is about 18581.5707086349. The cubic root of 345274770 is about 701.5440542188.

The spelling of 345274770 in words is "three hundred forty-five million, two hundred seventy-four thousand, seven hundred seventy".