71314164 has 18 divisors (see below), whose sum is σ = 180266450. Its totient is φ = 23771376.

The previous prime is 71314151. The next prime is 71314171. The reversal of 71314164 is 46141317.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44997264 + 26316900 = 6708^2 + 5130^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 990439 + ... + 990510.

Almost surely, 2^71314164 is an apocalyptic number.

It is an amenable number.

71314164 is an abundant number, since it is smaller than the sum of its proper divisors (108952286).

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

71314164 is a wasteful number, since it uses less digits than its factorization.

71314164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980959 (or 1980954 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 71314164 is about 8444.7714001031. The cubic root of 71314164 is about 414.6916255602.

The spelling of 71314164 in words is "seventy-one million, three hundred fourteen thousand, one hundred sixty-four".