25790790 has 32 divisors (see below), whose sum is σ = 65157120. Its totient is φ = 6515424.

The previous prime is 25790789. The next prime is 25790801. The reversal of 25790790 is 9709752.

It is a super-4 number, since 4×25790790⁴ (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22054 + ... + 23193.

It is an arithmetic number, because the mean of its divisors is an integer number (2036160).

Almost surely, 2^25790790 is an apocalyptic number.

25790790 is an abundant number, since it is smaller than the sum of its proper divisors (39366330).

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

25790790 is a wasteful number, since it uses less digits than its factorization.

25790790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45276.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 25790790 is about 5078.4633502665. The cubic root of 25790790 is about 295.4528713981.

The spelling of 25790790 in words is "twenty-five million, seven hundred ninety thousand, seven hundred ninety".