345415670 has 16 divisors (see below), whose sum is σ = 622729728. Its totient is φ = 137948160.

The previous prime is 345415667. The next prime is 345415699. The reversal of 345415670 is 76514543.

It is a self number, because there is not a number n which added to its sum of digits gives 345415670.

It is a congruent number.

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, 20534 + ... + 33353.

It is an arithmetic number, because the mean of its divisors is an integer number (38920608).

Almost surely, 2^345415670 is an apocalyptic number.

345415670 is a deficient number, since it is larger than the sum of its proper divisors (277314058).

345415670 is a wasteful number, since it uses less digits than its factorization.

345415670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54535.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 345415670 is about 18585.3617129180. The cubic root of 345415670 is about 701.6394701242.

The spelling of 345415670 in words is "three hundred forty-five million, four hundred fifteen thousand, six hundred seventy".