47913873 has 16 divisors (see below), whose sum is σ = 73113600. Its totient is φ = 27341136.

The previous prime is 47913847. The next prime is 47913889. The reversal of 47913873 is 37831974.

It is not a de Polignac number, because 47913873 - 2⁶ = 47913809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47913823) 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, 21778 + ... + 23876.

It is an arithmetic number, because the mean of its divisors is an integer number (4569600).

Almost surely, 2^47913873 is an apocalyptic number.

It is an amenable number.

47913873 is a deficient number, since it is larger than the sum of its proper divisors (25199727).

47913873 is a wasteful number, since it uses less digits than its factorization.

47913873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196.

The product of its digits is 127008, while the sum is 42.

The square root of 47913873 is about 6921.9847587235. The cubic root of 47913873 is about 363.2066229499.

The spelling of 47913873 in words is "forty-seven million, nine hundred thirteen thousand, eight hundred seventy-three".