652723190 has 16 divisors (see below), whose sum is σ = 1342744992. Its totient is φ = 223790784.

The previous prime is 652723189. The next prime is 652723223. The reversal of 652723190 is 91327256.

It is a super-2 number, since 2×652723190² = 852095125527552200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 652723190.

It is a congruent number.

It is an unprimeable number.

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, 4662239 + ... + 4662378.

It is an arithmetic number, because the mean of its divisors is an integer number (83921562).

Almost surely, 2^652723190 is an apocalyptic number.

652723190 is an abundant number, since it is smaller than the sum of its proper divisors (690021802).

652723190 is a wasteful number, since it uses less digits than its factorization.

652723190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9324631.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 652723190 is about 25548.4478980622. The cubic root of 652723190 is about 867.4471294672.

The spelling of 652723190 in words is "six hundred fifty-two million, seven hundred twenty-three thousand, one hundred ninety".