25725474 has 24 divisors (see below), whose sum is σ = 57537792. Its totient is φ = 8298360.

The previous prime is 25725463. The next prime is 25725493. The reversal of 25725474 is 47452752.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22494 + ... + 23609.

It is an arithmetic number, because the mean of its divisors is an integer number (2397408).

Almost surely, 2^25725474 is an apocalyptic number.

25725474 is an abundant number, since it is smaller than the sum of its proper divisors (31812318).

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

25725474 is a wasteful number, since it uses less digits than its factorization.

25725474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46142 (or 46139 counting only the distinct ones).

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

The square root of 25725474 is about 5072.0285882475. The cubic root of 25725474 is about 295.2032459378.

The spelling of 25725474 in words is "twenty-five million, seven hundred twenty-five thousand, four hundred seventy-four".