652719764 has 12 divisors (see below), whose sum is σ = 1160985588. Its totient is φ = 321009600.

The previous prime is 652719763. The next prime is 652719797. The reversal of 652719764 is 467917256.

It can be written as a sum of positive squares in 2 ways, for example, as 50410000 + 602309764 = 7100^2 + 24542^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652719763) 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 3 ways as a sum of consecutive naturals, for example, 1337297 + ... + 1337784.

It is an arithmetic number, because the mean of its divisors is an integer number (96748799).

Almost surely, 2^652719764 is an apocalyptic number.

It is an amenable number.

652719764 is a deficient number, since it is larger than the sum of its proper divisors (508265824).

652719764 is a wasteful number, since it uses less digits than its factorization.

652719764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675146 (or 2675144 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 652719764 is about 25548.3808488914. The cubic root of 652719764 is about 867.4456117851.

The spelling of 652719764 in words is "six hundred fifty-two million, seven hundred nineteen thousand, seven hundred sixty-four".