25630738 has 32 divisors (see below), whose sum is σ = 46033920. Its totient is φ = 10471680.

The previous prime is 25630733. The next prime is 25630739. The reversal of 25630738 is 83703652.

It is not an unprimeable number, because it can be changed into a prime (25630733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31278 + ... + 32086.

It is an arithmetic number, because the mean of its divisors is an integer number (1438560).

Almost surely, 2^25630738 is an apocalyptic number.

25630738 is a deficient number, since it is larger than the sum of its proper divisors (20403182).

25630738 is a wasteful number, since it uses less digits than its factorization.

25630738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 25630738 is about 5062.6809103478. The cubic root of 25630738 is about 294.8404307954.

The spelling of 25630738 in words is "twenty-five million, six hundred thirty thousand, seven hundred thirty-eight".