652782672 has 80 divisors (see below), whose sum is σ = 1876953280. Its totient is φ = 217219968.

The previous prime is 652782661. The next prime is 652782673. The reversal of 652782672 is 276287256.

It is a super-2 number, since 2×652782672² = 852250433726919168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652782673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378003 + ... + 379725.

It is an arithmetic number, because the mean of its divisors is an integer number (23461916).

Almost surely, 2^652782672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652782672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938476640).

652782672 is an abundant number, since it is smaller than the sum of its proper divisors (1224170608).

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

652782672 is a wasteful number, since it uses less digits than its factorization.

652782672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617 (or 2605 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 652782672 is about 25549.6119735702. The cubic root of 652782672 is about 867.4734785249.

The spelling of 652782672 in words is "six hundred fifty-two million, seven hundred eighty-two thousand, six hundred seventy-two".