47921433 has 8 divisors (see below), whose sum is σ = 73023168. Its totient is φ = 27383664.

The previous prime is 47921431. The next prime is 47921441. The reversal of 47921433 is 33412974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47921433 - 2¹ = 47921431 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47921394 and 47921403.

It is not an unprimeable number, because it can be changed into a prime (47921431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140966 + ... + 1141007.

It is an arithmetic number, because the mean of its divisors is an integer number (9127896).

Almost surely, 2^47921433 is an apocalyptic number.

It is an amenable number.

47921433 is a deficient number, since it is larger than the sum of its proper divisors (25101735).

47921433 is a wasteful number, since it uses less digits than its factorization.

47921433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281983.

The product of its digits is 18144, while the sum is 33.

The square root of 47921433 is about 6922.5308233333. The cubic root of 47921433 is about 363.2257245691.

It can be divided in two parts, 479 and 21433, that added together give a palindrome (21912).

The spelling of 47921433 in words is "forty-seven million, nine hundred twenty-one thousand, four hundred thirty-three".