25992738 has 48 divisors (see below), whose sum is σ = 59230080. Its totient is φ = 8541936.

The previous prime is 25992727. The next prime is 25992749. The reversal of 25992738 is 83729952.

25992738 is a `hidden beast` number, since 2 + 599 + 27 + 38 = 666.

It is an interprime number because it is at equal distance from previous prime (25992727) and next prime (25992749).

It is a junction number, because it is equal to n+sod(n) for n = 25992693 and 25992702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38056 + ... + 38732.

It is an arithmetic number, because the mean of its divisors is an integer number (1233960).

Almost surely, 2^25992738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25992738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29615040).

25992738 is an abundant number, since it is smaller than the sum of its proper divisors (33237342).

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

25992738 is an equidigital number, since it uses as much as digits as its factorization.

25992738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773 (or 761 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 25992738 is about 5098.3073661756. The cubic root of 25992738 is about 296.2220226744. Note that the first 3 decimals are identical.

The spelling of 25992738 in words is "twenty-five million, nine hundred ninety-two thousand, seven hundred thirty-eight".