23742712 has 16 divisors (see below), whose sum is σ = 50877360. Its totient is φ = 10175424.

The previous prime is 23742709. The next prime is 23742737. The reversal of 23742712 is 21724732.

It is a super-2 number, since 2×23742712² = 1127432746229888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211933 + ... + 212044.

It is an arithmetic number, because the mean of its divisors is an integer number (3179835).

Almost surely, 2^23742712 is an apocalyptic number.

It is an amenable number.

23742712 is an abundant number, since it is smaller than the sum of its proper divisors (27134648).

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

23742712 is a wasteful number, since it uses less digits than its factorization.

23742712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423990 (or 423986 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 23742712 is about 4872.6493820098. The cubic root of 23742712 is about 287.4154488607.

The spelling of 23742712 in words is "twenty-three million, seven hundred forty-two thousand, seven hundred twelve".