71170642 has 8 divisors (see below), whose sum is σ = 106942716. Its totient is φ = 35523072.

The previous prime is 71170639. The next prime is 71170651. The reversal of 71170642 is 24607117.

It can be written as a sum of positive squares in 2 ways, for example, as 42237001 + 28933641 = 6499^2 + 5379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 71170642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29683 + ... + 31990.

Almost surely, 2^71170642 is an apocalyptic number.

71170642 is a deficient number, since it is larger than the sum of its proper divisors (35772074).

71170642 is a wasteful number, since it uses less digits than its factorization.

71170642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62252.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 71170642 is about 8436.2694361904. The cubic root of 71170642 is about 414.4132454100.

Adding to 71170642 its reverse (24607117), we get a palindrome (95777759).

The spelling of 71170642 in words is "seventy-one million, one hundred seventy thousand, six hundred forty-two".