91794764 has 24 divisors (see below), whose sum is σ = 172495008. Its totient is φ = 42586880.

The previous prime is 91794739. The next prime is 91794767. The reversal of 91794764 is 46749719.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (91794767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4679 + ... + 14334.

It is an arithmetic number, because the mean of its divisors is an integer number (7187292).

Almost surely, 2^91794764 is an apocalyptic number.

It is an amenable number.

91794764 is a deficient number, since it is larger than the sum of its proper divisors (80700244).

91794764 is a wasteful number, since it uses less digits than its factorization.

91794764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19105 (or 19103 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 91794764 is about 9580.9584071741. The cubic root of 91794764 is about 451.0998020700.

The spelling of 91794764 in words is "ninety-one million, seven hundred ninety-four thousand, seven hundred sixty-four".