345642716 has 6 divisors (see below), whose sum is σ = 604874760. Its totient is φ = 172821356.

The previous prime is 345642707. The next prime is 345642727. The reversal of 345642716 is 617246543.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 345642716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43205336 + ... + 43205343.

It is an arithmetic number, because the mean of its divisors is an integer number (100812460).

Almost surely, 2^345642716 is an apocalyptic number.

It is an amenable number.

345642716 is a deficient number, since it is larger than the sum of its proper divisors (259232044).

345642716 is a wasteful number, since it uses less digits than its factorization.

345642716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86410683 (or 86410681 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 345642716 is about 18591.4689037741. The cubic root of 345642716 is about 701.7931685591.

The spelling of 345642716 in words is "three hundred forty-five million, six hundred forty-two thousand, seven hundred sixteen".