71030826 has 12 divisors (see below), whose sum is σ = 153900162. Its totient is φ = 23676936.

The previous prime is 71030821. The next prime is 71030837. The reversal of 71030826 is 62803017.

It can be written as a sum of positive squares in only one way, i.e., 57744801 + 13286025 = 7599^2 + 3645^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 71030826.

It is not an unprimeable number, because it can be changed into a prime (71030821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1973061 + ... + 1973096.

Almost surely, 2^71030826 is an apocalyptic number.

71030826 is an abundant number, since it is smaller than the sum of its proper divisors (82869336).

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

71030826 is a wasteful number, since it uses less digits than its factorization.

71030826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946165 (or 3946162 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 71030826 is about 8427.9787612452. The cubic root of 71030826 is about 414.1416934302.

The spelling of 71030826 in words is "seventy-one million, thirty thousand, eight hundred twenty-six".