91416073 has 8 divisors (see below), whose sum is σ = 106035392. Its totient is φ = 77186736.

The previous prime is 91416071. The next prime is 91416079. The reversal of 91416073 is 37061419.

It is a happy number.

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 91416073 - 2¹ = 91416071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91416071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96990 + ... + 97927.

It is an arithmetic number, because the mean of its divisors is an integer number (13254424).

Almost surely, 2^91416073 is an apocalyptic number.

It is an amenable number.

91416073 is a deficient number, since it is larger than the sum of its proper divisors (14619319).

91416073 is a wasteful number, since it uses less digits than its factorization.

91416073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194991.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 91416073 is about 9561.1752938642. The cubic root of 91416073 is about 450.4786232626.

The spelling of 91416073 in words is "ninety-one million, four hundred sixteen thousand, seventy-three".