71210864 has 10 divisors (see below), whose sum is σ = 137971080. Its totient is φ = 35605424.

The previous prime is 71210857. The next prime is 71210869. The reversal of 71210864 is 46801217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71210869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2225324 + ... + 2225355.

It is an arithmetic number, because the mean of its divisors is an integer number (13797108).

Almost surely, 2^71210864 is an apocalyptic number.

It is an amenable number.

71210864 is a deficient number, since it is larger than the sum of its proper divisors (66760216).

71210864 is a wasteful number, since it uses less digits than its factorization.

71210864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450687 (or 4450681 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 71210864 is about 8438.6529730757. The cubic root of 71210864 is about 414.4912990850.

The spelling of 71210864 in words is "seventy-one million, two hundred ten thousand, eight hundred sixty-four".