47142873 has 12 divisors (see below), whose sum is σ = 68798548. Its totient is φ = 31104000.

The previous prime is 47142863. The next prime is 47142877. The reversal of 47142873 is 37824174.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15468489 + 31674384 = 3933^2 + 5628^2 .

It is not a de Polignac number, because 47142873 - 2⁵ = 47142841 is a prime.

It is a super-4 number, since 4×47142873⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47142877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26128 + ... + 27873.

Almost surely, 2^47142873 is an apocalyptic number.

It is an amenable number.

47142873 is a deficient number, since it is larger than the sum of its proper divisors (21655675).

47142873 is a wasteful number, since it uses less digits than its factorization.

47142873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54104 (or 54101 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 47142873 is about 6866.0667780033. The cubic root of 47142873 is about 361.2479145643.

The spelling of 47142873 in words is "forty-seven million, one hundred forty-two thousand, eight hundred seventy-three".