23907072 has 72 divisors (see below), whose sum is σ = 72733696. Its totient is φ = 6829056.

The previous prime is 23907053. The next prime is 23907089. The reversal of 23907072 is 27070932.

It is a super-2 number, since 2×23907072² = 1143096183226368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3153 + ... + 7599.

Almost surely, 2^23907072 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 23907072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36366848).

23907072 is an abundant number, since it is smaller than the sum of its proper divisors (48826624).

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

23907072 is an equidigital number, since it uses as much as digits as its factorization.

23907072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473 (or 4459 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 23907072 is about 4889.4858625422. The cubic root of 23907072 is about 288.0771398303.

The spelling of 23907072 in words is "twenty-three million, nine hundred seven thousand, seventy-two".