23977072 has 80 divisors (see below), whose sum is σ = 57585600. Its totient is φ = 9633792.

The previous prime is 23977039. The next prime is 23977081. The reversal of 23977072 is 27077932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93168 + ... + 93424.

It is an arithmetic number, because the mean of its divisors is an integer number (719820).

Almost surely, 2^23977072 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 23977072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28792800).

23977072 is an abundant number, since it is smaller than the sum of its proper divisors (33608528).

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

23977072 is a wasteful number, since it uses less digits than its factorization.

23977072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 23977072 is about 4896.6388472094. The cubic root of 23977072 is about 288.3580295225.

The spelling of 23977072 in words is "twenty-three million, nine hundred seventy-seven thousand, seventy-two".