91736966 has 4 divisors (see below), whose sum is σ = 137605452. Its totient is φ = 45868482.

The previous prime is 91736951. The next prime is 91736969. The reversal of 91736966 is 66963719.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 91736966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91736969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22934240 + ... + 22934243.

It is an arithmetic number, because the mean of its divisors is an integer number (34401363).

Almost surely, 2^91736966 is an apocalyptic number.

91736966 is a deficient number, since it is larger than the sum of its proper divisors (45868486).

91736966 is a wasteful number, since it uses less digits than its factorization.

91736966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45868485.

The product of its digits is 367416, while the sum is 47.

The square root of 91736966 is about 9577.9416369072. The cubic root of 91736966 is about 451.0051048008.

The spelling of 91736966 in words is "ninety-one million, seven hundred thirty-six thousand, nine hundred sixty-six".