673333731 has 12 divisors (see below), whose sum is σ = 1111535152. Its totient is φ = 384762096.

The previous prime is 673333709. The next prime is 673333747. The reversal of 673333731 is 137333376.

It is not a de Polignac number, because 673333731 - 2⁵ = 673333699 is a prime.

It is a super-2 number, since 2×673333731² = 906756626604760722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (673332731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5343856 + ... + 5343981.

Almost surely, 2^673333731 is an apocalyptic number.

673333731 is a deficient number, since it is larger than the sum of its proper divisors (438201421).

673333731 is a wasteful number, since it uses less digits than its factorization.

673333731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10687850 (or 10687847 counting only the distinct ones).

The product of its digits is 71442, while the sum is 36.

The square root of 673333731 is about 25948.6749372680. The cubic root of 673333731 is about 876.4829192855.

The spelling of 673333731 in words is "six hundred seventy-three million, three hundred thirty-three thousand, seven hundred thirty-one".