71017164 has 36 divisors (see below), whose sum is σ = 179773776. Its totient is φ = 23638368.

The previous prime is 71017159. The next prime is 71017183. The reversal of 71017164 is 46171017.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 43222 + ... + 44834.

It is an arithmetic number, because the mean of its divisors is an integer number (4993716).

Almost surely, 2^71017164 is an apocalyptic number.

It is an amenable number.

71017164 is an abundant number, since it is smaller than the sum of its proper divisors (108756612).

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

71017164 is a wasteful number, since it uses less digits than its factorization.

71017164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846 (or 2841 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 71017164 is about 8427.1682076484. The cubic root of 71017164 is about 414.1151398575.

The spelling of 71017164 in words is "seventy-one million, seventeen thousand, one hundred sixty-four".