47345873 has 4 divisors (see below), whose sum is σ = 48353280. Its totient is φ = 46338468.

The previous prime is 47345863. The next prime is 47345887. The reversal of 47345873 is 37854374.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37854374 = 2 ⋅18927187.

It is a cyclic number.

It is not a de Polignac number, because 47345873 - 2²⁰ = 46297297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47345873.

It is not an unprimeable number, because it can be changed into a prime (47345813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503633 + ... + 503726.

It is an arithmetic number, because the mean of its divisors is an integer number (12088320).

Almost surely, 2^47345873 is an apocalyptic number.

It is an amenable number.

47345873 is a deficient number, since it is larger than the sum of its proper divisors (1007407).

47345873 is a wasteful number, since it uses less digits than its factorization.

47345873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007406.

The product of its digits is 282240, while the sum is 41.

The square root of 47345873 is about 6880.8337430867. The cubic root of 47345873 is about 361.7656903798.

The spelling of 47345873 in words is "forty-seven million, three hundred forty-five thousand, eight hundred seventy-three".