799747 has 4 divisors (see below), whose sum is σ = 861280. Its totient is φ = 738216.

The previous prime is 799741. The next prime is 799753. The reversal of 799747 is 747997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747997 = 29 ⋅25793.

It is an interprime number because it is at equal distance from previous prime (799741) and next prime (799753).

It is a cyclic number.

It is not a de Polignac number, because 799747 - 2³ = 799739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (799741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30747 + ... + 30772.

It is an arithmetic number, because the mean of its divisors is an integer number (215320).

2⁷⁹⁹⁷⁴⁷ is an apocalyptic number.

799747 is a deficient number, since it is larger than the sum of its proper divisors (61533).

799747 is a wasteful number, since it uses less digits than its factorization.

799747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61532.

The product of its digits is 111132, while the sum is 43.

The square root of 799747 is about 894.2857485167. The cubic root of 799747 is about 92.8219896240.

The spelling of 799747 in words is "seven hundred ninety-nine thousand, seven hundred forty-seven".