679223726 has 16 divisors (see below), whose sum is σ = 1066120704. Its totient is φ = 324196704.

The previous prime is 679223719. The next prime is 679223731. The reversal of 679223726 is 627322976.

It is a super-2 number, since 2×679223726² = 922689739922646152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82670 + ... + 90513.

It is an arithmetic number, because the mean of its divisors is an integer number (66632544).

Almost surely, 2^679223726 is an apocalyptic number.

679223726 is a deficient number, since it is larger than the sum of its proper divisors (386896978).

679223726 is a wasteful number, since it uses less digits than its factorization.

679223726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173275.

The product of its digits is 381024, while the sum is 44.

The square root of 679223726 is about 26061.9209959665. The cubic root of 679223726 is about 879.0311850029.

The spelling of 679223726 in words is "six hundred seventy-nine million, two hundred twenty-three thousand, seven hundred twenty-six".