25126668 has 36 divisors (see below), whose sum is σ = 72588880. Its totient is φ = 7178976.

The previous prime is 25126657. The next prime is 25126669. The reversal of 25126668 is 86662152.

It is a tau number, because it is divible by the number of its divisors (36).

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 (25126669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49603 + ... + 50106.

Almost surely, 2^25126668 is an apocalyptic number.

25126668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25126668 is an abundant number, since it is smaller than the sum of its proper divisors (47462212).

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

25126668 is a wasteful number, since it uses less digits than its factorization.

25126668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99726 (or 99721 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 25126668 is about 5012.6507957367. The cubic root of 25126668 is about 292.8947814178.

It can be divided in two parts, 2512 and 6668, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 25126668 in words is "twenty-five million, one hundred twenty-six thousand, six hundred sixty-eight".