23785272 has 64 divisors (see below), whose sum is σ = 75513600. Its totient is φ = 6795360.

The previous prime is 23785271. The next prime is 23785297. The reversal of 23785272 is 27258732.

It is a happy number.

It is a super-2 number, since 2×23785272² = 1131478328227968, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23785271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6354 + ... + 9377.

It is an arithmetic number, because the mean of its divisors is an integer number (1179900).

Almost surely, 2^23785272 is an apocalyptic number.

It is an amenable number.

23785272 is an abundant number, since it is smaller than the sum of its proper divisors (51728328).

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

23785272 is a wasteful number, since it uses less digits than its factorization.

23785272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15753 (or 15743 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 23785272 is about 4877.0146606300. The cubic root of 23785272 is about 287.5870818754.

The spelling of 23785272 in words is "twenty-three million, seven hundred eighty-five thousand, two hundred seventy-two".