71406716 has 6 divisors (see below), whose sum is σ = 124961760. Its totient is φ = 35703356.

The previous prime is 71406691. The next prime is 71406721. The reversal of 71406716 is 61760417.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8925836 + ... + 8925843.

It is an arithmetic number, because the mean of its divisors is an integer number (20826960).

Almost surely, 2^71406716 is an apocalyptic number.

It is an amenable number.

71406716 is a deficient number, since it is larger than the sum of its proper divisors (53555044).

71406716 is a wasteful number, since it uses less digits than its factorization.

71406716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17851683 (or 17851681 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 71406716 is about 8450.2494637732. The cubic root of 71406716 is about 414.8709445324.

The spelling of 71406716 in words is "seventy-one million, four hundred six thousand, seven hundred sixteen".