71310016 has 28 divisors (see below), whose sum is σ = 144182592. Its totient is φ = 34980608.

The previous prime is 71310011. The next prime is 71310067. The reversal of 71310016 is 61001317.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71309975 and 71310002.

It is not an unprimeable number, because it can be changed into a prime (71310011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7120 + ... + 13903.

Almost surely, 2^71310016 is an apocalyptic number.

It is an amenable number.

71310016 is an abundant number, since it is smaller than the sum of its proper divisors (72872576).

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

71310016 is a wasteful number, since it uses less digits than its factorization.

71310016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21088 (or 21078 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 71310016 is about 8444.5258007777. The cubic root of 71310016 is about 414.6835852022.

The spelling of 71310016 in words is "seventy-one million, three hundred ten thousand, sixteen".