652618974 has 64 divisors (see below), whose sum is σ = 1572203520. Its totient is φ = 176563200.

The previous prime is 652618961. The next prime is 652618979. The reversal of 652618974 is 479816256.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652618979) 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 31 ways as a sum of consecutive naturals, for example, 94222 + ... + 100910.

It is an arithmetic number, because the mean of its divisors is an integer number (24565680).

Almost surely, 2^652618974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652618974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786101760).

652618974 is an abundant number, since it is smaller than the sum of its proper divisors (919584546).

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

652618974 is a wasteful number, since it uses less digits than its factorization.

652618974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6825.

The product of its digits is 725760, while the sum is 48.

The square root of 652618974 is about 25546.4082406901. The cubic root of 652618974 is about 867.4009604923.

The spelling of 652618974 in words is "six hundred fifty-two million, six hundred eighteen thousand, nine hundred seventy-four".