25703172 has 72 divisors (see below), whose sum is σ = 72438912. Its totient is φ = 7617600.

The previous prime is 25703141. The next prime is 25703177. The reversal of 25703172 is 27130752.

It is a super-3 number, since 3×25703172³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (25703177) 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, 17922 + ... + 19302.

It is an arithmetic number, because the mean of its divisors is an integer number (1006096).

Almost surely, 2^25703172 is an apocalyptic number.

25703172 is a gapful number since it is divisible by the number (22) 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 25703172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36219456).

25703172 is an abundant number, since it is smaller than the sum of its proper divisors (46735740).

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

25703172 is a wasteful number, since it uses less digits than its factorization.

25703172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449 (or 1444 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 25703172 is about 5069.8295829347. The cubic root of 25703172 is about 295.1179151330.

The spelling of 25703172 in words is "twenty-five million, seven hundred three thousand, one hundred seventy-two".