673127438 has 4 divisors (see below), whose sum is σ = 1009691160. Its totient is φ = 336563718.

The previous prime is 673127431. The next prime is 673127503. The reversal of 673127438 is 834721376.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 673127395 and 673127404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673127431) 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 as a sum of consecutive naturals, namely, 168281858 + ... + 168281861.

It is an arithmetic number, because the mean of its divisors is an integer number (252422790).

Almost surely, 2^673127438 is an apocalyptic number.

673127438 is a deficient number, since it is larger than the sum of its proper divisors (336563722).

673127438 is a wasteful number, since it uses less digits than its factorization.

673127438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336563721.

The product of its digits is 169344, while the sum is 41.

The square root of 673127438 is about 25944.6996128304. The cubic root of 673127438 is about 876.3933991603.

The spelling of 673127438 in words is "six hundred seventy-three million, one hundred twenty-seven thousand, four hundred thirty-eight".