47128333 has 4 divisors (see below), whose sum is σ = 53860960. Its totient is φ = 40395708.

The previous prime is 47128321. The next prime is 47128349. The reversal of 47128333 is 33382174.

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 a de Polignac number, because none of the positive numbers 2^k-47128333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47128295 and 47128304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47128363) 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, 3366303 + ... + 3366316.

It is an arithmetic number, because the mean of its divisors is an integer number (13465240).

Almost surely, 2^47128333 is an apocalyptic number.

It is an amenable number.

47128333 is a deficient number, since it is larger than the sum of its proper divisors (6732627).

47128333 is an equidigital number, since it uses as much as digits as its factorization.

47128333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6732626.

The product of its digits is 12096, while the sum is 31.

The square root of 47128333 is about 6865.0078659824. The cubic root of 47128333 is about 361.2107715532.

The spelling of 47128333 in words is "forty-seven million, one hundred twenty-eight thousand, three hundred thirty-three".