71164424 has 16 divisors (see below), whose sum is σ = 140456400. Its totient is φ = 33709392.

The previous prime is 71164421. The next prime is 71164427. The reversal of 71164424 is 42446117.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71164421) and next prime (71164427).

It is not an unprimeable number, because it can be changed into a prime (71164421) 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 3 ways as a sum of consecutive naturals, for example, 233942 + ... + 234245.

It is an arithmetic number, because the mean of its divisors is an integer number (8778525).

Almost surely, 2^71164424 is an apocalyptic number.

It is an amenable number.

71164424 is a deficient number, since it is larger than the sum of its proper divisors (69291976).

71164424 is a wasteful number, since it uses less digits than its factorization.

71164424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468212 (or 468208 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 71164424 is about 8435.9009003188. The cubic root of 71164424 is about 414.4011763109.

The spelling of 71164424 in words is "seventy-one million, one hundred sixty-four thousand, four hundred twenty-four".