800070 has 16 divisors (see below), whose sum is σ = 1920240. Its totient is φ = 213344.

The previous prime is 800057. The next prime is 800077. The reversal of 800070 is 70008.

It is a super-2 number, since 2×800070² = 1280224009800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800077) by changing a digit.

800070 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 7 ways as a sum of consecutive naturals, for example, 13305 + ... + 13364.

It is an arithmetic number, because the mean of its divisors is an integer number (120015).

2⁸⁰⁰⁰⁷⁰ is an apocalyptic number.

800070 is an abundant number, since it is smaller than the sum of its proper divisors (1120170).

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

800070 is a wasteful number, since it uses less digits than its factorization.

800070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26679.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 800070 is about 894.4663213336. The cubic root of 800070 is about 92.8344841868.

Adding to 800070 its reverse (70008), we get a palindrome (870078).

The spelling of 800070 in words is "eight hundred thousand, seventy".