25674660 has 72 divisors (see below), whose sum is σ = 84966336. Its totient is φ = 6223680.

The previous prime is 25674587. The next prime is 25674661. The reversal of 25674660 is 6647652.

It is a super-2 number, since 2×25674660² = 1318376332231200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (25674661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4504 + ... + 8463.

It is an arithmetic number, because the mean of its divisors is an integer number (1180088).

Almost surely, 2^25674660 is an apocalyptic number.

25674660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25674660 is an abundant number, since it is smaller than the sum of its proper divisors (59291676).

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

25674660 is a wasteful number, since it uses less digits than its factorization.

25674660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12993 (or 12988 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 25674660 is about 5067.0168738618. The cubic root of 25674660 is about 295.0087520146.

It can be divided in two parts, 2567 and 4660, that added together give a palindrome (7227).

The spelling of 25674660 in words is "twenty-five million, six hundred seventy-four thousand, six hundred sixty".