91416733 has 4 divisors (see below), whose sum is σ = 96228160. Its totient is φ = 86605308.

The previous prime is 91416719. The next prime is 91416749. The reversal of 91416733 is 33761419.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 91416733 - 2¹⁷ = 91285661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91416133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2405685 + ... + 2405722.

It is an arithmetic number, because the mean of its divisors is an integer number (24057040).

Almost surely, 2^91416733 is an apocalyptic number.

It is an amenable number.

91416733 is a deficient number, since it is larger than the sum of its proper divisors (4811427).

91416733 is a wasteful number, since it uses less digits than its factorization.

91416733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811426.

The product of its digits is 13608, while the sum is 34.

The square root of 91416733 is about 9561.2098083872. The cubic root of 91416733 is about 450.4797073724.

The spelling of 91416733 in words is "ninety-one million, four hundred sixteen thousand, seven hundred thirty-three".