67047433 has 4 divisors (see below), whose sum is σ = 67067908. Its totient is φ = 67026960.

The previous prime is 67047413. The next prime is 67047457. The reversal of 67047433 is 33474076.

67047433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8111104 + 58936329 = 2848^2 + 7677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67047433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67047413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4098 + ... + 12283.

It is an arithmetic number, because the mean of its divisors is an integer number (16766977).

Almost surely, 2^67047433 is an apocalyptic number.

It is an amenable number.

67047433 is a deficient number, since it is larger than the sum of its proper divisors (20475).

67047433 is a wasteful number, since it uses less digits than its factorization.

67047433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20474.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 67047433 is about 8188.2496908680. The cubic root of 67047433 is about 406.2506339083.

The spelling of 67047433 in words is "sixty-seven million, forty-seven thousand, four hundred thirty-three".