673871379 has 16 divisors (see below), whose sum is σ = 903761664. Its totient is φ = 446623200.

The previous prime is 673871371. The next prime is 673871413. The reversal of 673871379 is 973178376.

It is not a de Polignac number, because 673871379 - 2³ = 673871371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673871371) 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 in 15 ways as a sum of consecutive naturals, for example, 487269 + ... + 488649.

It is an arithmetic number, because the mean of its divisors is an integer number (56485104).

Almost surely, 2^673871379 is an apocalyptic number.

673871379 is a deficient number, since it is larger than the sum of its proper divisors (229890285).

673871379 is a wasteful number, since it uses less digits than its factorization.

673871379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218.

The product of its digits is 1333584, while the sum is 51.

The square root of 673871379 is about 25959.0327053995. The cubic root of 673871379 is about 876.7161438596.

The spelling of 673871379 in words is "six hundred seventy-three million, eight hundred seventy-one thousand, three hundred seventy-nine".