71316246 has 16 divisors (see below), whose sum is σ = 142993008. Its totient is φ = 23712000.

The previous prime is 71316229. The next prime is 71316247. The reversal of 71316246 is 64261317.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71316247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12415 + ... + 17226.

It is an arithmetic number, because the mean of its divisors is an integer number (8937063).

Almost surely, 2^71316246 is an apocalyptic number.

71316246 is an abundant number, since it is smaller than the sum of its proper divisors (71676762).

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

71316246 is a wasteful number, since it uses less digits than its factorization.

71316246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30047.

The product of its digits is 6048, while the sum is 30.

The square root of 71316246 is about 8444.8946707463. The cubic root of 71316246 is about 414.6956611286.

It can be divided in two parts, 7 and 1316246, that added together give a triangular number (1316253 = T₁₆₂₂).

The spelling of 71316246 in words is "seventy-one million, three hundred sixteen thousand, two hundred forty-six".