799751 has 4 divisors (see below), whose sum is σ = 802032. Its totient is φ = 797472.

The previous prime is 799741. The next prime is 799753. The reversal of 799751 is 157997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 157997 = 7 ⋅22571.

It is a cyclic number.

It is not a de Polignac number, because 799751 - 2¹⁰ = 798727 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 (799753) 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, 491 + ... + 1356.

It is an arithmetic number, because the mean of its divisors is an integer number (200508).

2⁷⁹⁹⁷⁵¹ is an apocalyptic number.

799751 is a deficient number, since it is larger than the sum of its proper divisors (2281).

799751 is a wasteful number, since it uses less digits than its factorization.

799751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280.

The product of its digits is 19845, while the sum is 38.

The square root of 799751 is about 894.2879849355. The cubic root of 799751 is about 92.8221443760.

The spelling of 799751 in words is "seven hundred ninety-nine thousand, seven hundred fifty-one".