8070 has 16 divisors (see below), whose sum is σ = 19440. Its totient is φ = 2144.
The previous prime is 8069. The next prime is 8081. The reversal of 8070 is 708.
Added to its reverse (708) it gives a triangular number (8778 = T132).
8070 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is a plaindrome in base 13.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105 + ... + 164.
It is an arithmetic number, because the mean of its divisors is an integer number (1215).
28070 is an apocalyptic number.
8070 is an abundant number, since it is smaller than the sum of its proper divisors (11370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9720).
8070 is a wasteful number, since it uses less digits than its factorization.
8070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 279.
The product of its (nonzero) digits is 56, while the sum is 15.
The square root of 8070 is about 89.8331787259. The cubic root of 8070 is about 20.0581640167.
Adding to 8070 its reverse (708), we get a palindrome (8778).
The spelling of 8070 in words is "eight thousand, seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.097 sec. • engine limits •