47921673 has 16 divisors (see below), whose sum is σ = 66963456. Its totient is φ = 30426000.

The previous prime is 47921669. The next prime is 47921681. The reversal of 47921673 is 37612974.

47921673 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 47921673 - 2² = 47921669 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47921693) 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, 15936 + ... + 18702.

It is an arithmetic number, because the mean of its divisors is an integer number (4185216).

Almost surely, 2^47921673 is an apocalyptic number.

It is an amenable number.

47921673 is a deficient number, since it is larger than the sum of its proper divisors (19041783).

47921673 is a wasteful number, since it uses less digits than its factorization.

47921673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044.

The product of its digits is 63504, while the sum is 39.

The square root of 47921673 is about 6922.5481580123. The cubic root of 47921673 is about 363.2263309368.

The spelling of 47921673 in words is "forty-seven million, nine hundred twenty-one thousand, six hundred seventy-three".