345011770 has 32 divisors (see below), whose sum is σ = 658518336. Its totient is φ = 129696000.

The previous prime is 345011759. The next prime is 345011789. The reversal of 345011770 is 77110543.

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 15 ways as a sum of consecutive naturals, for example, 177705 + ... + 179635.

It is an arithmetic number, because the mean of its divisors is an integer number (20578698).

Almost surely, 2^345011770 is an apocalyptic number.

345011770 is a deficient number, since it is larger than the sum of its proper divisors (313506566).

345011770 is a wasteful number, since it uses less digits than its factorization.

345011770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 345011770 is about 18574.4924560538. The cubic root of 345011770 is about 701.3658840878.

The spelling of 345011770 in words is "three hundred forty-five million, eleven thousand, seven hundred seventy".