71074164 has 48 divisors (see below), whose sum is σ = 190342656. Its totient is φ = 20220000.

The previous prime is 71074147. The next prime is 71074169. The reversal of 71074164 is 46147017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71074169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19399 + ... + 22769.

It is an arithmetic number, because the mean of its divisors is an integer number (3965472).

Almost surely, 2^71074164 is an apocalyptic number.

It is an amenable number.

71074164 is an abundant number, since it is smaller than the sum of its proper divisors (119268492).

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

71074164 is a wasteful number, since it uses less digits than its factorization.

71074164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636 (or 3634 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 71074164 is about 8430.5494482863. The cubic root of 71074164 is about 414.2259029898.

The spelling of 71074164 in words is "seventy-one million, seventy-four thousand, one hundred sixty-four".