799770 has 32 divisors (see below), whose sum is σ = 1959552. Its totient is φ = 208832.

The previous prime is 799759. The next prime is 799789. The reversal of 799770 is 77997.

799770 is nontrivially palindromic in base 7.

It is an unprimeable number.

799770 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1339 + ... + 1841.

It is an arithmetic number, because the mean of its divisors is an integer number (61236).

2⁷⁹⁹⁷⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 799770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979776).

799770 is an abundant number, since it is smaller than the sum of its proper divisors (1159782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

799770 is a wasteful number, since it uses less digits than its factorization.

799770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566.

The product of its (nonzero) digits is 27783, while the sum is 39.

The square root of 799770 is about 894.2986078486. The cubic root of 799770 is about 92.8228794410.

The spelling of 799770 in words is "seven hundred ninety-nine thousand, seven hundred seventy".