71163070 has 16 divisors (see below), whose sum is σ = 139738608. Its totient is φ = 25877440.

The previous prime is 71163067. The next prime is 71163083. The reversal of 71163070 is 7036117.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323359 + ... + 323578.

It is an arithmetic number, because the mean of its divisors is an integer number (8733663).

Almost surely, 2^71163070 is an apocalyptic number.

71163070 is a deficient number, since it is larger than the sum of its proper divisors (68575538).

71163070 is a wasteful number, since it uses less digits than its factorization.

71163070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646955.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 71163070 is about 8435.8206476904. The cubic root of 71163070 is about 414.3985481121.

Adding to 71163070 its reverse (7036117), we get a palindrome (78199187).

The spelling of 71163070 in words is "seventy-one million, one hundred sixty-three thousand, seventy".