25724348772 has 24 divisors (see below), whose sum is σ = 60783273600. Its totient is φ = 8466241056.

The previous prime is 25724348737. The next prime is 25724348773. The reversal of 25724348772 is 27784342752.

It is not an unprimeable number, because it can be changed into a prime (25724348773) 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 7 ways as a sum of consecutive naturals, for example, 13566747 + ... + 13568642.

It is an arithmetic number, because the mean of its divisors is an integer number (2532636400).

Almost surely, 2^25724348772 is an apocalyptic number.

It is an amenable number.

25724348772 is an abundant number, since it is smaller than the sum of its proper divisors (35058924828).

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

25724348772 is a wasteful number, since it uses less digits than its factorization.

25724348772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27135475 (or 27135473 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 51.

The spelling of 25724348772 in words is "twenty-five billion, seven hundred twenty-four million, three hundred forty-eight thousand, seven hundred seventy-two".