71214246 has 12 divisors (see below), whose sum is σ = 154297572. Its totient is φ = 23738076.

The previous prime is 71214203. The next prime is 71214271. The reversal of 71214246 is 64241217.

It is a Curzon number.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1978156 + ... + 1978191.

It is an arithmetic number, because the mean of its divisors is an integer number (12858131).

Almost surely, 2^71214246 is an apocalyptic number.

71214246 is an abundant number, since it is smaller than the sum of its proper divisors (83083326).

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

71214246 is a wasteful number, since it uses less digits than its factorization.

71214246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3956355 (or 3956352 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 71214246 is about 8438.8533581287. The cubic root of 71214246 is about 414.4978607588.

The spelling of 71214246 in words is "seventy-one million, two hundred fourteen thousand, two hundred forty-six".