23715072 has 144 divisors (see below), whose sum is σ = 72602880. Its totient is φ = 7630848.

The previous prime is 23715053. The next prime is 23715137. The reversal of 23715072 is 27051732.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324828 + ... + 324900.

Almost surely, 2^23715072 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 23715072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36301440).

23715072 is an abundant number, since it is smaller than the sum of its proper divisors (48887808).

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

23715072 is an equidigital number, since it uses as much as digits as its factorization.

23715072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 23715072 is about 4869.8123167120. The cubic root of 23715072 is about 287.3038743036.

The spelling of 23715072 in words is "twenty-three million, seven hundred fifteen thousand, seventy-two".