345740625 has 72 divisors (see below), whose sum is σ = 658082880. Its totient is φ = 174420000.

The previous prime is 345740621. The next prime is 345740653. The reversal of 345740625 is 526047543.

It is not a de Polignac number, because 345740625 - 2² = 345740621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345740625.

It is not an unprimeable number, because it can be changed into a prime (345740621) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 534052 + ... + 534698.

It is an arithmetic number, because the mean of its divisors is an integer number (9140040).

Almost surely, 2^345740625 is an apocalyptic number.

It is an amenable number.

345740625 is a deficient number, since it is larger than the sum of its proper divisors (312342255).

345740625 is an equidigital number, since it uses as much as digits as its factorization.

345740625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 345740625 is about 18594.1018874266. The cubic root of 345740625 is about 701.8594271331.

The spelling of 345740625 in words is "three hundred forty-five million, seven hundred forty thousand, six hundred twenty-five".