25066672 has 40 divisors (see below), whose sum is σ = 50889600. Its totient is φ = 11945472.

The previous prime is 25066663. The next prime is 25066673. The reversal of 25066672 is 27666052.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25066673) 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, 40993 + ... + 41599.

It is an arithmetic number, because the mean of its divisors is an integer number (1272240).

Almost surely, 2^25066672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25066672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25444800).

25066672 is an abundant number, since it is smaller than the sum of its proper divisors (25822928).

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

25066672 is a wasteful number, since it uses less digits than its factorization.

25066672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 25066672 is about 5006.6627607619. The cubic root of 25066672 is about 292.6614765734.

The spelling of 25066672 in words is "twenty-five million, sixty-six thousand, six hundred seventy-two".