71342170 has 16 divisors (see below), whose sum is σ = 130176360. Its totient is φ = 28145664.

The previous prime is 71342153. The next prime is 71342177. The reversal of 71342170 is 7124317.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43811161 + 27531009 = 6619^2 + 5247^2 .

It is not an unprimeable number, because it can be changed into a prime (71342177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48135 + ... + 49594.

Almost surely, 2^71342170 is an apocalyptic number.

71342170 is a deficient number, since it is larger than the sum of its proper divisors (58834190).

71342170 is a wasteful number, since it uses less digits than its factorization.

71342170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97809.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 71342170 is about 8446.4294231350. The cubic root of 71342170 is about 414.7459033878.

Adding to 71342170 its reverse (7124317), we get a palindrome (78466487).

The spelling of 71342170 in words is "seventy-one million, three hundred forty-two thousand, one hundred seventy".