71216364 has 12 divisors (see below), whose sum is σ = 166171544. Its totient is φ = 23738784.

The previous prime is 71216357. The next prime is 71216371. The reversal of 71216364 is 46361217.

It is an interprime number because it is at equal distance from previous prime (71216357) and next prime (71216371).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2967337 + ... + 2967360.

Almost surely, 2^71216364 is an apocalyptic number.

It is an amenable number.

71216364 is an abundant number, since it is smaller than the sum of its proper divisors (94955180).

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

71216364 is a wasteful number, since it uses less digits than its factorization.

71216364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934704 (or 5934702 counting only the distinct ones).

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

The square root of 71216364 is about 8438.9788481783. The cubic root of 71216364 is about 414.5019699449.

The spelling of 71216364 in words is "seventy-one million, two hundred sixteen thousand, three hundred sixty-four".