25748472 has 64 divisors (see below), whose sum is σ = 68705280. Its totient is φ = 8013312.

The previous prime is 25748461. The next prime is 25748473. The reversal of 25748472 is 27484752.

It is a self number, because there is not a number n which added to its sum of digits gives 25748472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25748473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90843 + ... + 91125.

It is an arithmetic number, because the mean of its divisors is an integer number (1073520).

Almost surely, 2^25748472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25748472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34352640).

25748472 is an abundant number, since it is smaller than the sum of its proper divisors (42956808).

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

25748472 is a wasteful number, since it uses less digits than its factorization.

25748472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 528 counting only the distinct ones).

The product of its digits is 125440, while the sum is 39.

The square root of 25748472 is about 5074.2952219988. The cubic root of 25748472 is about 295.2911881096.

The spelling of 25748472 in words is "twenty-five million, seven hundred forty-eight thousand, four hundred seventy-two".