515652672 has 56 divisors (see below), whose sum is σ = 1377891072. Its totient is φ = 170176000.

The previous prime is 515652661. The next prime is 515652673. The reversal of 515652672 is 276256515.

It is a self number, because there is not a number n which added to its sum of digits gives 515652672.

It is not an unprimeable number, because it can be changed into a prime (515652673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6097 + ... + 32687.

Almost surely, 2^515652672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 515652672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688945536).

515652672 is an abundant number, since it is smaller than the sum of its proper divisors (862238400).

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

515652672 is a wasteful number, since it uses less digits than its factorization.

515652672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26707 (or 26697 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 515652672 is about 22707.9869649425. The cubic root of 515652672 is about 801.8979271135.

The spelling of 515652672 in words is "five hundred fifteen million, six hundred fifty-two thousand, six hundred seventy-two".