799970 has 8 divisors (see below), whose sum is σ = 1439964. Its totient is φ = 319984.

The previous prime is 799961. The next prime is 799979. The reversal of 799970 is 79997.

It is an interprime number because it is at equal distance from previous prime (799961) and next prime (799979).

It can be written as a sum of positive squares in 2 ways, for example, as 727609 + 72361 = 853^2 + 269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (799979) by changing a digit.

799970 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 3 ways as a sum of consecutive naturals, for example, 39989 + ... + 40008.

2⁷⁹⁹⁹⁷⁰ is an apocalyptic number.

799970 is a deficient number, since it is larger than the sum of its proper divisors (639994).

799970 is a wasteful number, since it uses less digits than its factorization.

799970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80004.

The product of its (nonzero) digits is 35721, while the sum is 41.

The square root of 799970 is about 894.4104203329. The cubic root of 799970 is about 92.8306162605.

The spelling of 799970 in words is "seven hundred ninety-nine thousand, nine hundred seventy".