24768740 has 12 divisors (see below), whose sum is σ = 52014396. Its totient is φ = 9907488.

The previous prime is 24768739. The next prime is 24768763. The reversal of 24768740 is 4786742.

It can be written as a sum of positive squares in 2 ways, for example, as 10510564 + 14258176 = 3242^2 + 3776^2 .

It is a super-2 number, since 2×24768740² = 1226980962375200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24768694 and 24768703.

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, 619199 + ... + 619238.

It is an arithmetic number, because the mean of its divisors is an integer number (4334533).

Almost surely, 2^24768740 is an apocalyptic number.

24768740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24768740 is an abundant number, since it is smaller than the sum of its proper divisors (27245656).

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

24768740 is a wasteful number, since it uses less digits than its factorization.

24768740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238446 (or 1238444 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 24768740 is about 4976.8202700118. The cubic root of 24768740 is about 291.4973682347.

The spelling of 24768740 in words is "twenty-four million, seven hundred sixty-eight thousand, seven hundred forty".