25994790 has 64 divisors (see below), whose sum is σ = 70963200. Its totient is φ = 6767712.

The previous prime is 25994783. The next prime is 25994821. The reversal of 25994790 is 9749952.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10491 + ... + 12729.

It is an arithmetic number, because the mean of its divisors is an integer number (1108800).

Almost surely, 2^25994790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25994790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35481600).

25994790 is an abundant number, since it is smaller than the sum of its proper divisors (44968410).

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

25994790 is a wasteful number, since it uses less digits than its factorization.

25994790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298 (or 2292 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 25994790 is about 5098.5086054649. The cubic root of 25994790 is about 296.2298175643.

The spelling of 25994790 in words is "twenty-five million, nine hundred ninety-four thousand, seven hundred ninety".