23074440 has 64 divisors (see below), whose sum is σ = 73301760. Its totient is φ = 5790720.

The previous prime is 23074411. The next prime is 23074453. The reversal of 23074440 is 4447032.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23074440.

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, 3616 + ... + 7695.

It is an arithmetic number, because the mean of its divisors is an integer number (1145340).

Almost surely, 2^23074440 is an apocalyptic number.

23074440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23074440 is an abundant number, since it is smaller than the sum of its proper divisors (50227320).

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

23074440 is a wasteful number, since it uses less digits than its factorization.

23074440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11342 (or 11338 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 23074440 is about 4803.5861603598. The cubic root of 23074440 is about 284.6931754923.

The spelling of 23074440 in words is "twenty-three million, seventy-four thousand, four hundred forty".