673992043 has 4 divisors (see below), whose sum is σ = 686708928. Its totient is φ = 661275160.

The previous prime is 673992041. The next prime is 673992083. The reversal of 673992043 is 340299376.

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 673992043 - 2¹ = 673992041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673992041) 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, 6358363 + ... + 6358468.

It is an arithmetic number, because the mean of its divisors is an integer number (171677232).

Almost surely, 2^673992043 is an apocalyptic number.

673992043 is a deficient number, since it is larger than the sum of its proper divisors (12716885).

673992043 is a wasteful number, since it uses less digits than its factorization.

673992043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12716884.

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 673992043 is about 25961.3567249479. The cubic root of 673992043 is about 876.7684692571.

The spelling of 673992043 in words is "six hundred seventy-three million, nine hundred ninety-two thousand, forty-three".