345370 has 8 divisors (see below), whose sum is σ = 621684. Its totient is φ = 138144.

The previous prime is 345329. The next prime is 345379. The reversal of 345370 is 73543.

It can be written as a sum of positive squares in 2 ways, for example, as 323761 + 21609 = 569^2 + 147^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345370.

It is not an unprimeable number, because it can be changed into a prime (345379) 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, 17259 + ... + 17278.

2³⁴⁵³⁷⁰ is an apocalyptic number.

345370 is a deficient number, since it is larger than the sum of its proper divisors (276314).

345370 is a wasteful number, since it uses less digits than its factorization.

345370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34544.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 345370 is about 587.6818867381. The cubic root of 345370 is about 70.1608545753.

The spelling of 345370 in words is "three hundred forty-five thousand, three hundred seventy".