719879 has 4 divisors (see below), whose sum is σ = 723840. Its totient is φ = 715920.

The previous prime is 719839. The next prime is 719893. The reversal of 719879 is 978917.

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 719879 - 2¹⁶ = 654343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (719839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1694 + ... + 2075.

It is an arithmetic number, because the mean of its divisors is an integer number (180960).

2⁷¹⁹⁸⁷⁹ is an apocalyptic number.

719879 is a deficient number, since it is larger than the sum of its proper divisors (3961).

719879 is a wasteful number, since it uses less digits than its factorization.

719879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960.

The product of its digits is 31752, while the sum is 41.

The square root of 719879 is about 848.4568344942. The cubic root of 719879 is about 89.6230738168.

The spelling of 719879 in words is "seven hundred nineteen thousand, eight hundred seventy-nine".