652815670 has 64 divisors (see below), whose sum is σ = 1363267584. Its totient is φ = 223090560.

The previous prime is 652815659. The next prime is 652815671. The reversal of 652815670 is 76518256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652815671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89169 + ... + 96211.

It is an arithmetic number, because the mean of its divisors is an integer number (21301056).

Almost surely, 2^652815670 is an apocalyptic number.

652815670 is an abundant number, since it is smaller than the sum of its proper divisors (710451914).

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

652815670 is a wasteful number, since it uses less digits than its factorization.

652815670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7117.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 652815670 is about 25550.2577286414. The cubic root of 652815670 is about 867.4880951340.

The spelling of 652815670 in words is "six hundred fifty-two million, eight hundred fifteen thousand, six hundred seventy".