679442003 has 4 divisors (see below), whose sum is σ = 679841280. Its totient is φ = 679042728.

The previous prime is 679441991. The next prime is 679442021. The reversal of 679442003 is 300244976.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 679442003 - 2¹² = 679437907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679412003) 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, 197075 + ... + 200492.

It is an arithmetic number, because the mean of its divisors is an integer number (169960320).

Almost surely, 2^679442003 is an apocalyptic number.

679442003 is a deficient number, since it is larger than the sum of its proper divisors (399277).

679442003 is a wasteful number, since it uses less digits than its factorization.

679442003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399276.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 679442003 is about 26066.1083209596. The cubic root of 679442003 is about 879.1253374560.

Adding to 679442003 its reverse (300244976), we get a palindrome (979686979).

The spelling of 679442003 in words is "six hundred seventy-nine million, four hundred forty-two thousand, three".