679973673 has 8 divisors (see below), whose sum is σ = 906752608. Its totient is φ = 453255264.

The previous prime is 679973669. The next prime is 679973681. The reversal of 679973673 is 376379976.

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

It is not a de Polignac number, because 679973673 - 2² = 679973669 is a prime.

It is a super-2 number, since 2×679973673² = 924728391946221858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679973473) 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 7 ways as a sum of consecutive naturals, for example, 32565 + ... + 49197.

It is an arithmetic number, because the mean of its divisors is an integer number (113344076).

Almost surely, 2^679973673 is an apocalyptic number.

It is an amenable number.

679973673 is a deficient number, since it is larger than the sum of its proper divisors (226778935).

679973673 is a wasteful number, since it uses less digits than its factorization.

679973673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30263.

The product of its digits is 9001692, while the sum is 57.

The square root of 679973673 is about 26076.3048187430. The cubic root of 679973673 is about 879.3545857229.

The spelling of 679973673 in words is "six hundred seventy-nine million, nine hundred seventy-three thousand, six hundred seventy-three".