70706 has 4 divisors (see below), whose sum is σ = 106062. Its totient is φ = 35352.

The previous prime is 70687. The next prime is 70709. The reversal of 70706 is 60707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60707 = 17 ⋅3571.

It can be written as a sum of positive squares in only one way, i.e., 36481 + 34225 = 191^2 + 185^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17675 + ... + 17678.

2⁷⁰⁷⁰⁶ is an apocalyptic number.

70706 is a deficient number, since it is larger than the sum of its proper divisors (35356).

70706 is a wasteful number, since it uses less digits than its factorization.

70706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35355.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 70706 is about 265.9059984280. The cubic root of 70706 is about 41.3509434731.

Subtracting from 70706 its reverse (60707), we obtain a palindrome (9999).

The spelling of 70706 in words is "seventy thousand, seven hundred six".