23449072 has 10 divisors (see below), whose sum is σ = 45432608. Its totient is φ = 11724528.

The previous prime is 23449067. The next prime is 23449079. The reversal of 23449072 is 27094432.

It is a super-2 number, since 2×23449072² = 1099717955322368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23449079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 732768 + ... + 732799.

Almost surely, 2^23449072 is an apocalyptic number.

It is an amenable number.

23449072 is a deficient number, since it is larger than the sum of its proper divisors (21983536).

23449072 is a wasteful number, since it uses less digits than its factorization.

23449072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465575 (or 1465569 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 23449072 is about 4842.4241862935. The cubic root of 23449072 is about 286.2256520292.

The spelling of 23449072 in words is "twenty-three million, four hundred forty-nine thousand, seventy-two".