345730516 has 12 divisors (see below), whose sum is σ = 621380788. Its totient is φ = 168193152.

The previous prime is 345730481. The next prime is 345730577. The reversal of 345730516 is 615037543.

It can be written as a sum of positive squares in 2 ways, for example, as 278556100 + 67174416 = 16690^2 + 8196^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1167861 + ... + 1168156.

Almost surely, 2^345730516 is an apocalyptic number.

It is an amenable number.

345730516 is a deficient number, since it is larger than the sum of its proper divisors (275650272).

345730516 is a wasteful number, since it uses less digits than its factorization.

345730516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336058 (or 2336056 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 345730516 is about 18593.8300519285. The cubic root of 345730516 is about 701.8525865850.

The spelling of 345730516 in words is "three hundred forty-five million, seven hundred thirty thousand, five hundred sixteen".