679032727 has 4 divisors (see below), whose sum is σ = 679089616. Its totient is φ = 678975840.

The previous prime is 679032721. The next prime is 679032743. The reversal of 679032727 is 727230976.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 679032727 - 2³ = 679032719 is a prime.

It is a super-2 number, since 2×679032727² = 922170888674113058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679032721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2883 + ... + 36964.

It is an arithmetic number, because the mean of its divisors is an integer number (169772404).

Almost surely, 2^679032727 is an apocalyptic number.

679032727 is a deficient number, since it is larger than the sum of its proper divisors (56889).

679032727 is a wasteful number, since it uses less digits than its factorization.

679032727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56888.

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 679032727 is about 26058.2564075189. The cubic root of 679032727 is about 878.9487821997.

The spelling of 679032727 in words is "six hundred seventy-nine million, thirty-two thousand, seven hundred twenty-seven".