25072730860 has 96 divisors (see below), whose sum is σ = 54780364800. Its totient is φ = 9634310400.

The previous prime is 25072730849. The next prime is 25072730867. The reversal of 25072730860 is 6803727052.

It is not an unprimeable number, because it can be changed into a prime (25072730867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9413889 + ... + 9416551.

It is an arithmetic number, because the mean of its divisors is an integer number (570628800).

Almost surely, 2^25072730860 is an apocalyptic number.

25072730860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25072730860 is an abundant number, since it is smaller than the sum of its proper divisors (29707633940).

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

25072730860 is a wasteful number, since it uses less digits than its factorization.

25072730860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911 (or 2909 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 25072730860 in words is "twenty-five billion, seventy-two million, seven hundred thirty thousand, eight hundred sixty".