47591725 has 6 divisors (see below), whose sum is σ = 59013770. Its totient is φ = 38073360.

The previous prime is 47591723. The next prime is 47591737. The reversal of 47591725 is 52719574.

47591725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 956484 + 46635241 = 978^2 + 6829^2 .

It is not a de Polignac number, because 47591725 - 2¹ = 47591723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47591723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 951810 + ... + 951859.

Almost surely, 2^47591725 is an apocalyptic number.

It is an amenable number.

47591725 is a deficient number, since it is larger than the sum of its proper divisors (11422045).

47591725 is a wasteful number, since it uses less digits than its factorization.

47591725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903679 (or 1903674 counting only the distinct ones).

The product of its digits is 88200, while the sum is 40.

The square root of 47591725 is about 6898.6755975332. The cubic root of 47591725 is about 362.3907875521.

The spelling of 47591725 in words is "forty-seven million, five hundred ninety-one thousand, seven hundred twenty-five".