23705740 has 12 divisors (see below), whose sum is σ = 49782096. Its totient is φ = 9482288.

The previous prime is 23705729. The next prime is 23705753. The reversal of 23705740 is 4750732.

It is a junction number, because it is equal to n+sod(n) for n = 23705699 and 23705708.

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, 592624 + ... + 592663.

It is an arithmetic number, because the mean of its divisors is an integer number (4148508).

Almost surely, 2^23705740 is an apocalyptic number.

23705740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23705740 is an abundant number, since it is smaller than the sum of its proper divisors (26076356).

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

23705740 is a wasteful number, since it uses less digits than its factorization.

23705740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185296 (or 1185294 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 23705740 is about 4868.8540746258. The cubic root of 23705740 is about 287.2661841867.

The spelling of 23705740 in words is "twenty-three million, seven hundred five thousand, seven hundred forty".