345642704 has 40 divisors (see below), whose sum is σ = 733057248. Its totient is φ = 156574080.

The previous prime is 345642701. The next prime is 345642707. The reversal of 345642704 is 407246543.

It is an interprime number because it is at equal distance from previous prime (345642701) and next prime (345642707).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345642701) 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, 50834 + ... + 57230.

Almost surely, 2^345642704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345642704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366528624).

345642704 is an abundant number, since it is smaller than the sum of its proper divisors (387414544).

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

345642704 is a wasteful number, since it uses less digits than its factorization.

345642704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723 (or 6717 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 345642704 is about 18591.4685810454. The cubic root of 345642704 is about 701.7931604375.

The spelling of 345642704 in words is "three hundred forty-five million, six hundred forty-two thousand, seven hundred four".