47975812 has 24 divisors (see below), whose sum is σ = 86460696. Its totient is φ = 23282688.

The previous prime is 47975803. The next prime is 47975813. The reversal of 47975812 is 21857974.

It can be written as a sum of positive squares in 4 ways, for example, as 7322436 + 40653376 = 2706^2 + 6376^2 .

It is not an unprimeable number, because it can be changed into a prime (47975813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19398 + ... + 21730.

It is an arithmetic number, because the mean of its divisors is an integer number (3602529).

Almost surely, 2^47975812 is an apocalyptic number.

It is an amenable number.

47975812 is a deficient number, since it is larger than the sum of its proper divisors (38484884).

47975812 is a wasteful number, since it uses less digits than its factorization.

47975812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487 (or 2485 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 47975812 is about 6926.4573917696. The cubic root of 47975812 is about 363.3630631529.

It can be divided in two parts, 4797 and 5812, that added together give a square (10609 = 103²).

The spelling of 47975812 in words is "forty-seven million, nine hundred seventy-five thousand, eight hundred twelve".