23749992 has 48 divisors (see below), whose sum is σ = 73513440. Its totient is φ = 6785568.

The previous prime is 23749991. The next prime is 23750009. The reversal of 23749992 is 29994732.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (23749991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23058 + ... + 24065.

It is an arithmetic number, because the mean of its divisors is an integer number (1531530).

Almost surely, 2^23749992 is an apocalyptic number.

It is an amenable number.

23749992 is an abundant number, since it is smaller than the sum of its proper divisors (49763448).

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

23749992 is a wasteful number, since it uses less digits than its factorization.

23749992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47142 (or 47135 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 23749992 is about 4873.3963516217. The cubic root of 23749992 is about 287.4448216727. Note that the first 3 decimals are identical.

The spelling of 23749992 in words is "twenty-three million, seven hundred forty-nine thousand, nine hundred ninety-two".