47971573 has 8 divisors (see below), whose sum is σ = 53058488. Its totient is φ = 43084224.

The previous prime is 47971571. The next prime is 47971591. The reversal of 47971573 is 37517974.

It can be written as a sum of positive squares in 4 ways, for example, as 19166884 + 28804689 = 4378^2 + 5367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47971573 - 2¹ = 47971571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47971571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49386 + ... + 50347.

It is an arithmetic number, because the mean of its divisors is an integer number (6632311).

Almost surely, 2^47971573 is an apocalyptic number.

It is an amenable number.

47971573 is a deficient number, since it is larger than the sum of its proper divisors (5086915).

47971573 is a wasteful number, since it uses less digits than its factorization.

47971573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99783.

The product of its digits is 185220, while the sum is 43.

The square root of 47971573 is about 6926.1513844270. The cubic root of 47971573 is about 363.3523609446.

The spelling of 47971573 in words is "forty-seven million, nine hundred seventy-one thousand, five hundred seventy-three".