25672730 has 16 divisors (see below), whose sum is σ = 46769184. Its totient is φ = 10145040.

The previous prime is 25672721. The next prime is 25672733. The reversal of 25672730 is 3727652.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25672733) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14636 + ... + 16295.

It is an arithmetic number, because the mean of its divisors is an integer number (2923074).

Almost surely, 2^25672730 is an apocalyptic number.

25672730 is a deficient number, since it is larger than the sum of its proper divisors (21096454).

25672730 is a wasteful number, since it uses less digits than its factorization.

25672730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31021.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 25672730 is about 5066.8264229200. The cubic root of 25672730 is about 295.0013597563.

The spelling of 25672730 in words is "twenty-five million, six hundred seventy-two thousand, seven hundred thirty".