25746890 has 64 divisors (see below), whose sum is σ = 53222400. Its totient is φ = 8895744.

The previous prime is 25746887. The next prime is 25746907. The reversal of 25746890 is 9864752.

25746890 = 415² + 416² + ... + 529².

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 236156 + ... + 236264.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 2^25746890 is an apocalyptic number.

25746890 is an abundant number, since it is smaller than the sum of its proper divisors (27475510).

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

25746890 is a wasteful number, since it uses less digits than its factorization.

25746890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 25746890 is about 5074.1393358874. The cubic root of 25746890 is about 295.2851403691.

The spelling of 25746890 in words is "twenty-five million, seven hundred forty-six thousand, eight hundred ninety".