679320633 has 8 divisors (see below), whose sum is σ = 906047968. Its totient is φ = 452736864.

The previous prime is 679320601. The next prime is 679320643. The reversal of 679320633 is 336023976.

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

It is not a de Polignac number, because 679320633 - 2⁵ = 679320601 is a prime.

It is a super-2 number, since 2×679320633² = 922953044839041378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 679320591 and 679320600.

It is not an unprimeable number, because it can be changed into a prime (679320643) 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, 24316 + ... + 44157.

It is an arithmetic number, because the mean of its divisors is an integer number (113255996).

Almost surely, 2^679320633 is an apocalyptic number.

It is an amenable number.

679320633 is a deficient number, since it is larger than the sum of its proper divisors (226727335).

679320633 is a wasteful number, since it uses less digits than its factorization.

679320633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71783.

The product of its (nonzero) digits is 122472, while the sum is 39.

The square root of 679320633 is about 26063.7800980595. The cubic root of 679320633 is about 879.0729877359.

The spelling of 679320633 in words is "six hundred seventy-nine million, three hundred twenty thousand, six hundred thirty-three".