47820433 has 4 divisors (see below), whose sum is σ = 47854080. Its totient is φ = 47786788.

The previous prime is 47820431. The next prime is 47820457. The reversal of 47820433 is 33402874.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 47820433 - 2¹ = 47820431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47820395 and 47820404.

It is not an unprimeable number, because it can be changed into a prime (47820431) 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, 14593 + ... + 17566.

It is an arithmetic number, because the mean of its divisors is an integer number (11963520).

Almost surely, 2^47820433 is an apocalyptic number.

It is an amenable number.

47820433 is a deficient number, since it is larger than the sum of its proper divisors (33647).

47820433 is a wasteful number, since it uses less digits than its factorization.

47820433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33646.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 47820433 is about 6915.2319556180. The cubic root of 47820433 is about 362.9703649154.

The spelling of 47820433 in words is "forty-seven million, eight hundred twenty thousand, four hundred thirty-three".