25745472 has 112 divisors (see below), whose sum is σ = 77541120. Its totient is φ = 8372736.

The previous prime is 25745471. The next prime is 25745479. The reversal of 25745472 is 27454752.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25745471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81058 + ... + 81374.

Almost surely, 2^25745472 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 25745472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38770560).

25745472 is an abundant number, since it is smaller than the sum of its proper divisors (51795648).

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

25745472 is a wasteful number, since it uses less digits than its factorization.

25745472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 369 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 25745472 is about 5073.9996058336. Note that the first 3 decimals coincide. The cubic root of 25745472 is about 295.2797193647.

The spelling of 25745472 in words is "twenty-five million, seven hundred forty-five thousand, four hundred seventy-two".