71164004 has 6 divisors (see below), whose sum is σ = 124537014. Its totient is φ = 35582000.

The previous prime is 71163979. The next prime is 71164019. The reversal of 71164004 is 40046117.

It can be written as a sum of positive squares in only one way, i.e., 66455104 + 4708900 = 8152^2 + 2170^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8895497 + ... + 8895504.

It is an arithmetic number, because the mean of its divisors is an integer number (20756169).

Almost surely, 2^71164004 is an apocalyptic number.

It is an amenable number.

71164004 is a deficient number, since it is larger than the sum of its proper divisors (53373010).

71164004 is a wasteful number, since it uses less digits than its factorization.

71164004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17791005 (or 17791003 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 71164004 is about 8435.8760066753. The cubic root of 71164004 is about 414.4003610681.

The spelling of 71164004 in words is "seventy-one million, one hundred sixty-four thousand, four".