673504231 has 8 divisors (see below), whose sum is σ = 686659680. Its totient is φ = 660365472.

The previous prime is 673504213. The next prime is 673504261. The reversal of 673504231 is 132405376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 673504231 - 2⁵ = 673504199 is a prime.

It is a super-2 number, since 2×673504231² = 907215898349802722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673504193 and 673504202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673504201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104406 + ... + 110668.

It is an arithmetic number, because the mean of its divisors is an integer number (85832460).

Almost surely, 2^673504231 is an apocalyptic number.

673504231 is a deficient number, since it is larger than the sum of its proper divisors (13155449).

673504231 is a wasteful number, since it uses less digits than its factorization.

673504231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8345.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 673504231 is about 25951.9600608509. The cubic root of 673504231 is about 876.5568933635.

The spelling of 673504231 in words is "six hundred seventy-three million, five hundred four thousand, two hundred thirty-one".