25960720 has 40 divisors (see below), whose sum is σ = 60710400. Its totient is φ = 10323840.

The previous prime is 25960709. The next prime is 25960723. The reversal of 25960720 is 2706952.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25960723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14431 + ... + 16129.

It is an arithmetic number, because the mean of its divisors is an integer number (1517760).

Almost surely, 2^25960720 is an apocalyptic number.

25960720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25960720 is an abundant number, since it is smaller than the sum of its proper divisors (34749680).

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

25960720 is a wasteful number, since it uses less digits than its factorization.

25960720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903 (or 1897 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 25960720 is about 5095.1663368334. The cubic root of 25960720 is about 296.1003433844.

The spelling of 25960720 in words is "twenty-five million, nine hundred sixty thousand, seven hundred twenty".