24768945 has 24 divisors (see below), whose sum is σ = 43184232. Its totient is φ = 13132800.

The previous prime is 24768941. The next prime is 24768971. The reversal of 24768945 is 54986742.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2187441 + 22581504 = 1479^2 + 4752^2 .

It is not a de Polignac number, because 24768945 - 2² = 24768941 is a prime.

It is a super-2 number, since 2×24768945² = 1227001272826050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 24768945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24768941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6625 + ... + 9665.

It is an arithmetic number, because the mean of its divisors is an integer number (1799343).

Almost surely, 2^24768945 is an apocalyptic number.

It is an amenable number.

24768945 is a deficient number, since it is larger than the sum of its proper divisors (18415287).

24768945 is a wasteful number, since it uses less digits than its factorization.

24768945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233 (or 3230 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 24768945 is about 4976.8408654487. The cubic root of 24768945 is about 291.4981724311.

The spelling of 24768945 in words is "twenty-four million, seven hundred sixty-eight thousand, nine hundred forty-five".