47977273 has 4 divisors (see below), whose sum is σ = 48147088. Its totient is φ = 47807460.

The previous prime is 47977199. The next prime is 47977277. The reversal of 47977273 is 37277974.

47977273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47977273 - 2²⁵ = 14422841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47977277) 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 3 ways as a sum of consecutive naturals, for example, 84483 + ... + 85048.

It is an arithmetic number, because the mean of its divisors is an integer number (12036772).

Almost surely, 2^47977273 is an apocalyptic number.

It is an amenable number.

47977273 is a deficient number, since it is larger than the sum of its proper divisors (169815).

47977273 is a wasteful number, since it uses less digits than its factorization.

47977273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169814.

The product of its digits is 518616, while the sum is 46.

The square root of 47977273 is about 6926.5628561358. The cubic root of 47977273 is about 363.3667515952.

The spelling of 47977273 in words is "forty-seven million, nine hundred seventy-seven thousand, two hundred seventy-three".