652660272 has 60 divisors (see below), whose sum is σ = 1992596424. Its totient is φ = 197775360.

The previous prime is 652660271. The next prime is 652660343. The reversal of 652660272 is 272066256.

652660272 is a `hidden beast` number, since 6 + 526 + 60 + 2 + 72 = 666.

652660272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×652660272² = 851930861294227968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (652660271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204433 + ... + 207600.

Almost surely, 2^652660272 is an apocalyptic number.

It is an amenable number.

652660272 is an abundant number, since it is smaller than the sum of its proper divisors (1339936152).

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

652660272 is a wasteful number, since it uses less digits than its factorization.

652660272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412058 (or 412049 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 652660272 is about 25547.2165215704. The cubic root of 652660272 is about 867.4192566042.

The spelling of 652660272 in words is "six hundred fifty-two million, six hundred sixty thousand, two hundred seventy-two".