673071979 has 8 divisors (see below), whose sum is σ = 715513680. Its totient is φ = 631332000.

The previous prime is 673071953. The next prime is 673072033. The reversal of 673071979 is 979170376.

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

It is not a de Polignac number, because 673071979 - 2⁵ = 673071947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673074979) 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, 173452 + ... + 177289.

It is an arithmetic number, because the mean of its divisors is an integer number (89439210).

Almost surely, 2^673071979 is an apocalyptic number.

673071979 is a deficient number, since it is larger than the sum of its proper divisors (42441701).

673071979 is a wasteful number, since it uses less digits than its factorization.

673071979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350861.

The product of its (nonzero) digits is 500094, while the sum is 49.

The square root of 673071979 is about 25943.6307983289. The cubic root of 673071979 is about 876.3693298021.

The spelling of 673071979 in words is "six hundred seventy-three million, seventy-one thousand, nine hundred seventy-nine".