91716274 has 8 divisors (see below), whose sum is σ = 148157100. Its totient is φ = 42330576.

The previous prime is 91716263. The next prime is 91716277. The reversal of 91716274 is 47261719.

It can be written as a sum of positive squares in 2 ways, for example, as 83265625 + 8450649 = 9125^2 + 2907^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (91716277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1763749 + ... + 1763800.

Almost surely, 2^91716274 is an apocalyptic number.

91716274 is a deficient number, since it is larger than the sum of its proper divisors (56440826).

91716274 is a wasteful number, since it uses less digits than its factorization.

91716274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527564.

The product of its digits is 21168, while the sum is 37.

The square root of 91716274 is about 9576.8613856524. The cubic root of 91716274 is about 450.9711929919.

The spelling of 91716274 in words is "ninety-one million, seven hundred sixteen thousand, two hundred seventy-four".