47979173 has 16 divisors (see below), whose sum is σ = 55406592. Its totient is φ = 41118000.

The previous prime is 47979157. The next prime is 47979179. The reversal of 47979173 is 37197974.

47979173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47979173 - 2⁴ = 47979157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47979179) 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 15 ways as a sum of consecutive naturals, for example, 16628 + ... + 19298.

It is an arithmetic number, because the mean of its divisors is an integer number (3462912).

Almost surely, 2^47979173 is an apocalyptic number.

It is an amenable number.

47979173 is a deficient number, since it is larger than the sum of its proper divisors (7427419).

47979173 is a wasteful number, since it uses less digits than its factorization.

47979173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776.

The product of its digits is 333396, while the sum is 47.

The square root of 47979173 is about 6926.7000079403. The cubic root of 47979173 is about 363.3715482254.

The spelling of 47979173 in words is "forty-seven million, nine hundred seventy-nine thousand, one hundred seventy-three".