673936433 has 4 divisors (see below), whose sum is σ = 677465088. Its totient is φ = 670407780.

The previous prime is 673936429. The next prime is 673936489. The reversal of 673936433 is 334639376.

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 673936433 - 2² = 673936429 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673939433) 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, 1764041 + ... + 1764422.

It is an arithmetic number, because the mean of its divisors is an integer number (169366272).

Almost surely, 2^673936433 is an apocalyptic number.

It is an amenable number.

673936433 is a deficient number, since it is larger than the sum of its proper divisors (3528655).

673936433 is a wasteful number, since it uses less digits than its factorization.

673936433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528654.

The product of its digits is 734832, while the sum is 44.

The square root of 673936433 is about 25960.2856879504. The cubic root of 673936433 is about 876.7443550082.

The spelling of 673936433 in words is "six hundred seventy-three million, nine hundred thirty-six thousand, four hundred thirty-three".