345670814 has 4 divisors (see below), whose sum is σ = 518506224. Its totient is φ = 172835406.

The previous prime is 345670777. The next prime is 345670837. The reversal of 345670814 is 418076543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 418076543 = 23 ⋅18177241.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 86417702 + ... + 86417705.

It is an arithmetic number, because the mean of its divisors is an integer number (129626556).

Almost surely, 2^345670814 is an apocalyptic number.

345670814 is a deficient number, since it is larger than the sum of its proper divisors (172835410).

345670814 is a wasteful number, since it uses less digits than its factorization.

345670814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172835409.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 345670814 is about 18592.2245575940. The cubic root of 345670814 is about 701.8121847756.

The spelling of 345670814 in words is "three hundred forty-five million, six hundred seventy thousand, eight hundred fourteen".