24728025 has 96 divisors (see below), whose sum is σ = 51266560. Its totient is φ = 10264320.

The previous prime is 24728023. The next prime is 24728029. The reversal of 24728025 is 52082742.

It is not a de Polignac number, because 24728025 - 2¹ = 24728023 is a prime.

It is a super-2 number, since 2×24728025² = 1222950440801250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24727983 and 24728001.

It is not an unprimeable number, because it can be changed into a prime (24728023) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 369042 + ... + 369108.

Almost surely, 2^24728025 is an apocalyptic number.

24728025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24728025 is an abundant number, since it is smaller than the sum of its proper divisors (26538535).

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

24728025 is a wasteful number, since it uses less digits than its factorization.

24728025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 24728025 is about 4972.7281244806. The cubic root of 24728025 is about 291.3375589433.

The spelling of 24728025 in words is "twenty-four million, seven hundred twenty-eight thousand, twenty-five".