345259970 has 32 divisors (see below), whose sum is σ = 717849216. Its totient is φ = 118163200.

The previous prime is 345259961. The next prime is 345260009. The reversal of 345259970 is 79952543.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90446 + ... + 94185.

It is an arithmetic number, because the mean of its divisors is an integer number (22432788).

Almost surely, 2^345259970 is an apocalyptic number.

345259970 is an abundant number, since it is smaller than the sum of its proper divisors (372589246).

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

345259970 is a wasteful number, since it uses less digits than its factorization.

345259970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184666.

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 345259970 is about 18581.1724603158. The cubic root of 345259970 is about 701.5340303178.

The spelling of 345259970 in words is "three hundred forty-five million, two hundred fifty-nine thousand, nine hundred seventy".