345307618 has 8 divisors (see below), whose sum is σ = 522802512. Its totient is φ = 171040116.

The previous prime is 345307601. The next prime is 345307663. The reversal of 345307618 is 816703543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806580 + ... + 807007.

It is an arithmetic number, because the mean of its divisors is an integer number (65350314).

Almost surely, 2^345307618 is an apocalyptic number.

345307618 is a deficient number, since it is larger than the sum of its proper divisors (177494894).

345307618 is a wasteful number, since it uses less digits than its factorization.

345307618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613696.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 345307618 is about 18582.4545741406. The cubic root of 345307618 is about 701.5663008374.

The spelling of 345307618 in words is "three hundred forty-five million, three hundred seven thousand, six hundred eighteen".