90717716 has 12 divisors (see below), whose sum is σ = 158846688. Its totient is φ = 45332952.

The previous prime is 90717709. The next prime is 90717721. The reversal of 90717716 is 61771709.

It is a self number, because there is not a number n which added to its sum of digits gives 90717716.

It is a congruent number.

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, 2915 + ... + 13781.

It is an arithmetic number, because the mean of its divisors is an integer number (13237224).

Almost surely, 2^90717716 is an apocalyptic number.

It is an amenable number.

90717716 is a deficient number, since it is larger than the sum of its proper divisors (68128972).

90717716 is a wasteful number, since it uses less digits than its factorization.

90717716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12958 (or 12956 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 38.

The square root of 90717716 is about 9524.5848203478. The cubic root of 90717716 is about 449.3285723495.

The spelling of 90717716 in words is "ninety million, seven hundred seventeen thousand, seven hundred sixteen".