25673140 has 24 divisors (see below), whose sum is σ = 54028800. Its totient is φ = 10247328.

The previous prime is 25673113. The next prime is 25673143. The reversal of 25673140 is 4137652.

It is a super-2 number, since 2×25673140² = 1318220234919200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25673099 and 25673108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25673143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10909 + ... + 13051.

It is an arithmetic number, because the mean of its divisors is an integer number (2251200).

Almost surely, 2^25673140 is an apocalyptic number.

25673140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25673140 is an abundant number, since it is smaller than the sum of its proper divisors (28355660).

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

25673140 is a wasteful number, since it uses less digits than its factorization.

25673140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751 (or 2749 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 25673140 is about 5066.8668820090. The cubic root of 25673140 is about 295.0029301634.

The spelling of 25673140 in words is "twenty-five million, six hundred seventy-three thousand, one hundred forty".