345746680 has 32 divisors (see below), whose sum is σ = 823692240. Its totient is φ = 130163200.

The previous prime is 345746677. The next prime is 345746683. The reversal of 345746680 is 86647543.

It is an interprime number because it is at equal distance from previous prime (345746677) and next prime (345746683).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345746683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253546 + ... + 254905.

Almost surely, 2^345746680 is an apocalyptic number.

It is an amenable number.

345746680 is an abundant number, since it is smaller than the sum of its proper divisors (477945560).

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

345746680 is a wasteful number, since it uses less digits than its factorization.

345746680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508479 (or 508475 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 345746680 is about 18594.2647071617. The cubic root of 345746680 is about 701.8635243606.

The spelling of 345746680 in words is "three hundred forty-five million, seven hundred forty-six thousand, six hundred eighty".