43725607772 has 24 divisors (see below), whose sum is σ = 95401326720. Its totient is φ = 17035950960.

The previous prime is 43725607747. The next prime is 43725607789. The reversal of 43725607772 is 27770652734.

It is a self number, because there is not a number n which added to its sum of digits gives 43725607772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70982822 + ... + 70983437.

It is an arithmetic number, because the mean of its divisors is an integer number (3975055280).

Almost surely, 2^43725607772 is an apocalyptic number.

It is an amenable number.

43725607772 is an abundant number, since it is smaller than the sum of its proper divisors (51675718948).

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

43725607772 is a wasteful number, since it uses less digits than its factorization.

43725607772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141966281 (or 141966279 counting only the distinct ones).

The product of its (nonzero) digits is 3457440, while the sum is 50.

The spelling of 43725607772 in words is "forty-three billion, seven hundred twenty-five million, six hundred seven thousand, seven hundred seventy-two".