673433431 has 4 divisors (see below), whose sum is σ = 734654664. Its totient is φ = 612212200.

The previous prime is 673433419. The next prime is 673433459. The reversal of 673433431 is 134334376.

673433431 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 is a cyclic number.

It is not a de Polignac number, because 673433431 - 2⁷ = 673433303 is a prime.

It is a super-2 number, since 2×673433431² = 907025171976863522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673433471) 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, 30610600 + ... + 30610621.

It is an arithmetic number, because the mean of its divisors is an integer number (183663666).

Almost surely, 2^673433431 is an apocalyptic number.

673433431 is a deficient number, since it is larger than the sum of its proper divisors (61221233).

673433431 is a wasteful number, since it uses less digits than its factorization.

673433431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61221232.

The product of its digits is 54432, while the sum is 34.

The square root of 673433431 is about 25950.5959661816. The cubic root of 673433431 is about 876.5261771977.

It can be divided in two parts, 6 and 73433431, that added together give a palindrome (73433437).

The spelling of 673433431 in words is "six hundred seventy-three million, four hundred thirty-three thousand, four hundred thirty-one".