652279772 has 24 divisors (see below), whose sum is σ = 1149273216. Its totient is φ = 323923968.

The previous prime is 652279763. The next prime is 652279777. The reversal of 652279772 is 277972256.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652279777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565148 + ... + 566300.

It is an arithmetic number, because the mean of its divisors is an integer number (47886384).

Almost surely, 2^652279772 is an apocalyptic number.

It is an amenable number.

652279772 is a deficient number, since it is larger than the sum of its proper divisors (496993444).

652279772 is a wasteful number, since it uses less digits than its factorization.

652279772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997 (or 1995 counting only the distinct ones).

The product of its digits is 740880, while the sum is 47.

The square root of 652279772 is about 25539.7684406104. The cubic root of 652279772 is about 867.2506557755.

The spelling of 652279772 in words is "six hundred fifty-two million, two hundred seventy-nine thousand, seven hundred seventy-two".