91094772 has 48 divisors (see below), whose sum is σ = 225735552. Its totient is φ = 28492800.

The previous prime is 91094749. The next prime is 91094779. The reversal of 91094772 is 27749019.

It is a self number, because there is not a number n which added to its sum of digits gives 91094772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91094779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122233 + ... + 122975.

It is an arithmetic number, because the mean of its divisors is an integer number (4702824).

Almost surely, 2^91094772 is an apocalyptic number.

It is an amenable number.

91094772 is an abundant number, since it is smaller than the sum of its proper divisors (134640780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91094772 is a wasteful number, since it uses less digits than its factorization.

91094772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 91094772 is about 9544.3581240438. The cubic root of 91094772 is about 449.9502364724.

The spelling of 91094772 in words is "ninety-one million, ninety-four thousand, seven hundred seventy-two".