47856673 has 4 divisors (see below), whose sum is σ = 47878848. Its totient is φ = 47834500.

The previous prime is 47856667. The next prime is 47856691. The reversal of 47856673 is 37665874.

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: 37665874 = 2 ⋅18832937.

It is a cyclic number.

It is not a de Polignac number, because 47856673 - 2¹³ = 47848481 is a prime.

It is a super-2 number, since 2×47856673² = 4580522301257858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47856073) 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, 7453 + ... + 12298.

It is an arithmetic number, because the mean of its divisors is an integer number (11969712).

Almost surely, 2^47856673 is an apocalyptic number.

It is an amenable number.

47856673 is a deficient number, since it is larger than the sum of its proper divisors (22175).

47856673 is a wasteful number, since it uses less digits than its factorization.

47856673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22174.

The product of its digits is 846720, while the sum is 46.

The square root of 47856673 is about 6917.8517619273. The cubic root of 47856673 is about 363.0620323174.

The spelling of 47856673 in words is "forty-seven million, eight hundred fifty-six thousand, six hundred seventy-three".