25878732 has 24 divisors (see below), whose sum is σ = 65873472. Its totient is φ = 7842000.

The previous prime is 25878691. The next prime is 25878737. The reversal of 25878732 is 23787852.

It is not an unprimeable number, because it can be changed into a prime (25878737) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 97894 + ... + 98157.

It is an arithmetic number, because the mean of its divisors is an integer number (2744728).

Almost surely, 2^25878732 is an apocalyptic number.

25878732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25878732 is an abundant number, since it is smaller than the sum of its proper divisors (39994740).

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

25878732 is a wasteful number, since it uses less digits than its factorization.

25878732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196069 (or 196067 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 25878732 is about 5087.1143097045. The cubic root of 25878732 is about 295.7883043193.

The spelling of 25878732 in words is "twenty-five million, eight hundred seventy-eight thousand, seven hundred thirty-two".