70818 has 32 divisors (see below), whose sum is σ = 164160. Its totient is φ = 20160.

The previous prime is 70793. The next prime is 70823. The reversal of 70818 is 81807.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1896 + ... + 1932.

It is an arithmetic number, because the mean of its divisors is an integer number (5130).

2⁷⁰⁸¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82080).

70818 is an abundant number, since it is smaller than the sum of its proper divisors (93342).

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

70818 is a wasteful number, since it uses less digits than its factorization.

70818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 70818 is about 266.1165158347. The cubic root of 70818 is about 41.3727655837.

It can be divided in two parts, 70 and 818, that added together give a palindrome (888).

The spelling of 70818 in words is "seventy thousand, eight hundred eighteen".