25708480 has 112 divisors (see below), whose sum is σ = 73152000. Its totient is φ = 8414208.

The previous prime is 25708447. The next prime is 25708489. The reversal of 25708480 is 8480752.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25708489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51271 + ... + 51769.

Almost surely, 2^25708480 is an apocalyptic number.

25708480 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 25708480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36576000).

25708480 is an abundant number, since it is smaller than the sum of its proper divisors (47443520).

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

25708480 is a wasteful number, since it uses less digits than its factorization.

25708480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 25708480 is about 5070.3530449072. The cubic root of 25708480 is about 295.1382288135.

The spelling of 25708480 in words is "twenty-five million, seven hundred eight thousand, four hundred eighty".