91265733 has 12 divisors (see below), whose sum is σ = 141969100. Its totient is φ = 56163456.

The previous prime is 91265731. The next prime is 91265747. The reversal of 91265733 is 33756219.

It can be written as a sum of positive squares in 2 ways, for example, as 9941409 + 81324324 = 3153^2 + 9018^2 .

It is not a de Polignac number, because 91265733 - 2¹ = 91265731 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91265731) 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 11 ways as a sum of consecutive naturals, for example, 389908 + ... + 390141.

Almost surely, 2^91265733 is an apocalyptic number.

It is an amenable number.

91265733 is a deficient number, since it is larger than the sum of its proper divisors (50703367).

91265733 is a wasteful number, since it uses less digits than its factorization.

91265733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780068 (or 780065 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 91265733 is about 9553.3100546355. The cubic root of 91265733 is about 450.2315401037.

The spelling of 91265733 in words is "ninety-one million, two hundred sixty-five thousand, seven hundred thirty-three".