345027520 has 56 divisors (see below), whose sum is σ = 848124288. Its totient is φ = 133555200.

The previous prime is 345027503. The next prime is 345027521. The reversal of 345027520 is 25720543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345027521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7471 + ... + 27310.

Almost surely, 2^345027520 is an apocalyptic number.

It is an amenable number.

345027520 is an abundant number, since it is smaller than the sum of its proper divisors (503096768).

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

345027520 is a wasteful number, since it uses less digits than its factorization.

345027520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34829 (or 34819 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 345027520 is about 18574.9164197312. The cubic root of 345027520 is about 701.3765565204.

The spelling of 345027520 in words is "three hundred forty-five million, twenty-seven thousand, five hundred twenty".