345758720 has 44 divisors (see below), whose sum is σ = 829428024. Its totient is φ = 138301440.

The previous prime is 345758687. The next prime is 345758723. The reversal of 345758720 is 27857543.

345758720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345758723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28646 + ... + 38885.

Almost surely, 2^345758720 is an apocalyptic number.

It is an amenable number.

345758720 is an abundant number, since it is smaller than the sum of its proper divisors (483669304).

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

345758720 is an equidigital number, since it uses as much as digits as its factorization.

345758720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67556 (or 67538 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 345758720 is about 18594.5884600870. The cubic root of 345758720 is about 701.8716713068.

The spelling of 345758720 in words is "three hundred forty-five million, seven hundred fifty-eight thousand, seven hundred twenty".