71814212 has 12 divisors (see below), whose sum is σ = 126787836. Its totient is φ = 35589120.

The previous prime is 71814163. The next prime is 71814217. The reversal of 71814212 is 21241817.

It can be written as a sum of positive squares in 2 ways, for example, as 5456896 + 66357316 = 2336^2 + 8146^2 .

It is not an unprimeable number, because it can be changed into a prime (71814217) 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, 78989 + ... + 79892.

It is an arithmetic number, because the mean of its divisors is an integer number (10565653).

Almost surely, 2^71814212 is an apocalyptic number.

It is an amenable number.

71814212 is a deficient number, since it is larger than the sum of its proper divisors (54973624).

71814212 is a wasteful number, since it uses less digits than its factorization.

71814212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158998 (or 158996 counting only the distinct ones).

The product of its digits is 896, while the sum is 26.

The square root of 71814212 is about 8474.3266399166. The cubic root of 71814212 is about 415.6586280440.

The spelling of 71814212 in words is "seventy-one million, eight hundred fourteen thousand, two hundred twelve".