25478376 has 128 divisors (see below), whose sum is σ = 84188160. Its totient is φ = 6220800.

The previous prime is 25478363. The next prime is 25478407. The reversal of 25478376 is 67387452.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31011 + ... + 31821.

It is an arithmetic number, because the mean of its divisors is an integer number (657720).

Almost surely, 2^25478376 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 25478376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42094080).

25478376 is an abundant number, since it is smaller than the sum of its proper divisors (58709784).

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

25478376 is a wasteful number, since it uses less digits than its factorization.

25478376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 851 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 25478376 is about 5047.6109200294. The cubic root of 25478376 is about 294.2550426988.

The spelling of 25478376 in words is "twenty-five million, four hundred seventy-eight thousand, three hundred seventy-six".