70000082 has 4 divisors (see below), whose sum is σ = 105000126. Its totient is φ = 35000040.

The previous prime is 70000081. The next prime is 70000093. The reversal of 70000082 is 28000007.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43178041 + 26822041 = 6571^2 + 5179^2 .

It is a super-2 number, since 2×70000082² = 9800022960013448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70000082.

It is not an unprimeable number, because it can be changed into a prime (70000081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17500019 + ... + 17500022.

Almost surely, 2^70000082 is an apocalyptic number.

70000082 is a deficient number, since it is larger than the sum of its proper divisors (35000044).

70000082 is a wasteful number, since it uses less digits than its factorization.

70000082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35000043.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 70000082 is about 8366.6051657766. The cubic root of 70000082 is about 412.1286909072.

Adding to 70000082 its reverse (28000007), we get a palindrome (98000089).

The spelling of 70000082 in words is "seventy million, eighty-two", and thus it is an aban number and an uban number.