25306072 has 32 divisors (see below), whose sum is σ = 54017280. Its totient is φ = 11001760.

The previous prime is 25306063. The next prime is 25306093. The reversal of 25306072 is 27060352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4228 + ... + 8275.

It is an arithmetic number, because the mean of its divisors is an integer number (1688040).

Almost surely, 2^25306072 is an apocalyptic number.

25306072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25306072 is an abundant number, since it is smaller than the sum of its proper divisors (28711208).

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

25306072 is a wasteful number, since it uses less digits than its factorization.

25306072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12543 (or 12539 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 25306072 is about 5030.5140890370. The cubic root of 25306072 is about 293.5902168905.

The spelling of 25306072 in words is "twenty-five million, three hundred six thousand, seventy-two".