515752068 has 48 divisors (see below), whose sum is σ = 1297520000. Its totient is φ = 158505984.

The previous prime is 515752051. The next prime is 515752087. The reversal of 515752068 is 860257515.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193521 + ... + 196167.

Almost surely, 2^515752068 is an apocalyptic number.

It is an amenable number.

515752068 is an abundant number, since it is smaller than the sum of its proper divisors (781767932).

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

515752068 is a wasteful number, since it uses less digits than its factorization.

515752068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916 (or 3914 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 515752068 is about 22710.1754286487. The cubic root of 515752068 is about 801.9494477913.

The spelling of 515752068 in words is "five hundred fifteen million, seven hundred fifty-two thousand, sixty-eight".