71164460 has 12 divisors (see below), whose sum is σ = 149445408. Its totient is φ = 28465776.

The previous prime is 71164427. The next prime is 71164487. The reversal of 71164460 is 6446117.

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 3 ways as a sum of consecutive naturals, for example, 1779092 + ... + 1779131.

It is an arithmetic number, because the mean of its divisors is an integer number (12453784).

Almost surely, 2^71164460 is an apocalyptic number.

It is an amenable number.

71164460 is an abundant number, since it is smaller than the sum of its proper divisors (78280948).

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

71164460 is a wasteful number, since it uses less digits than its factorization.

71164460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558232 (or 3558230 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 71164460 is about 8435.9030340563. The cubic root of 71164460 is about 414.4012461887.

The spelling of 71164460 in words is "seventy-one million, one hundred sixty-four thousand, four hundred sixty".