47975291 has 16 divisors (see below), whose sum is σ = 59236800. Its totient is φ = 37836288.

The previous prime is 47975287. The next prime is 47975293. The reversal of 47975291 is 19257974.

It is not a de Polignac number, because 47975291 - 2² = 47975287 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (47975293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36575 + ... + 37863.

It is an arithmetic number, because the mean of its divisors is an integer number (3702300).

Almost surely, 2^47975291 is an apocalyptic number.

47975291 is a deficient number, since it is larger than the sum of its proper divisors (11261509).

47975291 is a wasteful number, since it uses less digits than its factorization.

47975291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718.

The product of its digits is 158760, while the sum is 44.

The square root of 47975291 is about 6926.4197822540. The cubic root of 47975291 is about 363.3617478175.

The spelling of 47975291 in words is "forty-seven million, nine hundred seventy-five thousand, two hundred ninety-one".