23749480 has 32 divisors (see below), whose sum is σ = 53996040. Its totient is φ = 9400320.

The previous prime is 23749477. The next prime is 23749483. The reversal of 23749480 is 8494732.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23749477) and next prime (23749483).

It can be written as a sum of positive squares in 4 ways, for example, as 13675204 + 10074276 = 3698^2 + 3174^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (23749483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820 + ... + 6940.

Almost surely, 2^23749480 is an apocalyptic number.

23749480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23749480 is an abundant number, since it is smaller than the sum of its proper divisors (30246560).

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

23749480 is a wasteful number, since it uses less digits than its factorization.

23749480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6229 (or 6225 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 23749480 is about 4873.3438212381. The cubic root of 23749480 is about 287.4427560888.

The spelling of 23749480 in words is "twenty-three million, seven hundred forty-nine thousand, four hundred eighty".