25672680 has 128 divisors (see below), whose sum is σ = 93398400. Its totient is φ = 6220800.

The previous prime is 25672657. The next prime is 25672693. The reversal of 25672680 is 8627652.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10800 + ... + 12960.

It is an arithmetic number, because the mean of its divisors is an integer number (729675).

Almost surely, 2^25672680 is an apocalyptic number.

25672680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25672680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46699200).

25672680 is an abundant number, since it is smaller than the sum of its proper divisors (67725720).

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

25672680 is a wasteful number, since it uses less digits than its factorization.

25672680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192 (or 2182 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 25672680 is about 5066.8214888626. The cubic root of 25672680 is about 295.0011682420.

The spelling of 25672680 in words is "twenty-five million, six hundred seventy-two thousand, six hundred eighty".