71214284 has 6 divisors (see below), whose sum is σ = 124625004. Its totient is φ = 35607140.

The previous prime is 71214281. The next prime is 71214289. The reversal of 71214284 is 48241217.

It is not an unprimeable number, because it can be changed into a prime (71214281) by changing a digit.

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 as a sum of consecutive naturals, namely, 8901782 + ... + 8901789.

It is an arithmetic number, because the mean of its divisors is an integer number (20770834).

Almost surely, 2^71214284 is an apocalyptic number.

It is an amenable number.

71214284 is a deficient number, since it is larger than the sum of its proper divisors (53410720).

71214284 is a wasteful number, since it uses less digits than its factorization.

71214284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17803575 (or 17803573 counting only the distinct ones).

The product of its digits is 3584, while the sum is 29.

The square root of 71214284 is about 8438.8556096191. The cubic root of 71214284 is about 414.4979344843.

The spelling of 71214284 in words is "seventy-one million, two hundred fourteen thousand, two hundred eighty-four".