47726728 has 16 divisors (see below), whose sum is σ = 102271680. Its totient is φ = 20454288.

The previous prime is 47726719. The next prime is 47726729. The reversal of 47726728 is 82762774.

It is not an unprimeable number, because it can be changed into a prime (47726729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426076 + ... + 426187.

It is an arithmetic number, because the mean of its divisors is an integer number (6391980).

Almost surely, 2^47726728 is an apocalyptic number.

It is an amenable number.

47726728 is an abundant number, since it is smaller than the sum of its proper divisors (54544952).

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

47726728 is a wasteful number, since it uses less digits than its factorization.

47726728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852276 (or 852272 counting only the distinct ones).

The product of its digits is 263424, while the sum is 43.

The square root of 47726728 is about 6908.4533724995. The cubic root of 47726728 is about 362.7331275678.

The spelling of 47726728 in words is "forty-seven million, seven hundred twenty-six thousand, seven hundred twenty-eight".