25842732 has 12 divisors (see below), whose sum is σ = 60299736. Its totient is φ = 8614240.

The previous prime is 25842697. The next prime is 25842743. The reversal of 25842732 is 23724852.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 25842693 and 25842702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076769 + ... + 1076792.

It is an arithmetic number, because the mean of its divisors is an integer number (5024978).

Almost surely, 2^25842732 is an apocalyptic number.

It is an amenable number.

25842732 is an abundant number, since it is smaller than the sum of its proper divisors (34457004).

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

25842732 is a wasteful number, since it uses less digits than its factorization.

25842732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153568 (or 2153566 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 25842732 is about 5083.5747265089. The cubic root of 25842732 is about 295.6510832679.

The spelling of 25842732 in words is "twenty-five million, eight hundred forty-two thousand, seven hundred thirty-two".