91336772 has 24 divisors (see below), whose sum is σ = 167481216. Its totient is φ = 43501568.

The previous prime is 91336771. The next prime is 91336783. The reversal of 91336772 is 27763319.

It is not an unprimeable number, because it can be changed into a prime (91336771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21713 + ... + 25575.

It is an arithmetic number, because the mean of its divisors is an integer number (6978384).

Almost surely, 2^91336772 is an apocalyptic number.

91336772 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

91336772 is a deficient number, since it is larger than the sum of its proper divisors (76144444).

91336772 is a wasteful number, since it uses less digits than its factorization.

91336772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147 (or 4145 counting only the distinct ones).

The product of its digits is 47628, while the sum is 38.

The square root of 91336772 is about 9557.0273621038. The cubic root of 91336772 is about 450.3483261905.

The spelling of 91336772 in words is "ninety-one million, three hundred thirty-six thousand, seven hundred seventy-two".