679207442 has 8 divisors (see below), whose sum is σ = 1033160832. Its totient is φ = 334820500.

The previous prime is 679207429. The next prime is 679207447. The reversal of 679207442 is 244702976.

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

It is a super-2 number, since 2×679207442² = 922645498536366728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 679207442.

It is not an unprimeable number, because it can be changed into a prime (679207447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2391434 + ... + 2391717.

It is an arithmetic number, because the mean of its divisors is an integer number (129145104).

Almost surely, 2^679207442 is an apocalyptic number.

679207442 is a deficient number, since it is larger than the sum of its proper divisors (353953390).

679207442 is a wasteful number, since it uses less digits than its factorization.

679207442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783224.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 679207442 is about 26061.6085842758. The cubic root of 679207442 is about 879.0241601903.

The spelling of 679207442 in words is "six hundred seventy-nine million, two hundred seven thousand, four hundred forty-two".