91036773 has 12 divisors (see below), whose sum is σ = 132050880. Its totient is φ = 60435816.

The previous prime is 91036753. The next prime is 91036811. The reversal of 91036773 is 37763019.

It is not a de Polignac number, because 91036773 - 2⁵ = 91036741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91036703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19011 + ... + 23312.

It is an arithmetic number, because the mean of its divisors is an integer number (11004240).

Almost surely, 2^91036773 is an apocalyptic number.

It is an amenable number.

91036773 is a deficient number, since it is larger than the sum of its proper divisors (41014107).

91036773 is a wasteful number, since it uses less digits than its factorization.

91036773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42568 (or 42565 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 36.

The square root of 91036773 is about 9541.3192484059. The cubic root of 91036773 is about 449.8547234748.

It can be divided in two parts, 91036 and 773, that added together give a square (91809 = 303²).

The spelling of 91036773 in words is "ninety-one million, thirty-six thousand, seven hundred seventy-three".