71616073 has 8 divisors (see below), whose sum is σ = 75690720. Its totient is φ = 67572000.

The previous prime is 71616071. The next prime is 71616079. The reversal of 71616073 is 37061617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71616073 - 2¹ = 71616071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71616071) 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, 2740 + ... + 12277.

It is an arithmetic number, because the mean of its divisors is an integer number (9461340).

Almost surely, 2^71616073 is an apocalyptic number.

It is an amenable number.

71616073 is a deficient number, since it is larger than the sum of its proper divisors (4074647).

71616073 is a wasteful number, since it uses less digits than its factorization.

71616073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15287.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 71616073 is about 8462.6280197111. The cubic root of 71616073 is about 415.2760016233.

The spelling of 71616073 in words is "seventy-one million, six hundred sixteen thousand, seventy-three".