652665772 has 18 divisors (see below), whose sum is σ = 1255438604. Its totient is φ = 296666040.

The previous prime is 652665763. The next prime is 652665773. The reversal of 652665772 is 277566256.

It is not an unprimeable number, because it can be changed into a prime (652665773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 673758 + ... + 674725.

Almost surely, 2^652665772 is an apocalyptic number.

It is an amenable number.

652665772 is a deficient number, since it is larger than the sum of its proper divisors (602772832).

652665772 is a wasteful number, since it uses less digits than its factorization.

652665772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348509 (or 1348496 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 46.

The square root of 652665772 is about 25547.3241651645. The cubic root of 652665772 is about 867.4216931922.

The spelling of 652665772 in words is "six hundred fifty-two million, six hundred sixty-five thousand, seven hundred seventy-two".