25747230 has 16 divisors (see below), whose sum is σ = 61793424. Its totient is φ = 6865920.

The previous prime is 25747213. The next prime is 25747237. The reversal of 25747230 is 3274752.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 858241 = 25747230 / (2 + 5 + 7 + 4 + 7 + 2 + 3 + 0).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25747237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429091 + ... + 429150.

It is an arithmetic number, because the mean of its divisors is an integer number (3862089).

Almost surely, 2^25747230 is an apocalyptic number.

25747230 is an abundant number, since it is smaller than the sum of its proper divisors (36046194).

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

25747230 is a wasteful number, since it uses less digits than its factorization.

25747230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858251.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 25747230 is about 5074.1728389955. The cubic root of 25747230 is about 295.2864401572.

The spelling of 25747230 in words is "twenty-five million, seven hundred forty-seven thousand, two hundred thirty".