23772249 has 48 divisors (see below), whose sum is σ = 38301120. Its totient is φ = 14152320.

The previous prime is 23772247. The next prime is 23772253. The reversal of 23772249 is 94227732.

It is not a de Polignac number, because 23772249 - 2¹ = 23772247 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23772247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 389679 + ... + 389739.

It is an arithmetic number, because the mean of its divisors is an integer number (797940).

Almost surely, 2^23772249 is an apocalyptic number.

It is an amenable number.

23772249 is a deficient number, since it is larger than the sum of its proper divisors (14528871).

23772249 is a wasteful number, since it uses less digits than its factorization.

23772249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 179 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 23772249 is about 4875.6793372821. The cubic root of 23772249 is about 287.5345853793.

The spelling of 23772249 in words is "twenty-three million, seven hundred seventy-two thousand, two hundred forty-nine".