25673842 has 16 divisors (see below), whose sum is σ = 42550272. Its totient is φ = 11556160.

The previous prime is 25673821. The next prime is 25673861. The reversal of 25673842 is 24837652.

It is a super-3 number, since 3×25673842³ (a number of 23 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 15634 + ... + 17197.

It is an arithmetic number, because the mean of its divisors is an integer number (2659392).

Almost surely, 2^25673842 is an apocalyptic number.

25673842 is a deficient number, since it is larger than the sum of its proper divisors (16876430).

25673842 is a wasteful number, since it uses less digits than its factorization.

25673842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32873.

The product of its digits is 80640, while the sum is 37.

The square root of 25673842 is about 5066.9361551139. The cubic root of 25673842 is about 295.0056189680.

The spelling of 25673842 in words is "twenty-five million, six hundred seventy-three thousand, eight hundred forty-two".