91074273 has 8 divisors (see below), whose sum is σ = 126712128. Its totient is φ = 58076304.

The previous prime is 91074251. The next prime is 91074283. The reversal of 91074273 is 37247019.

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

It is not a de Polignac number, because 91074273 - 2⁸ = 91074017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91074283) 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, 659890 + ... + 660027.

It is an arithmetic number, because the mean of its divisors is an integer number (15839016).

Almost surely, 2^91074273 is an apocalyptic number.

It is an amenable number.

91074273 is a deficient number, since it is larger than the sum of its proper divisors (35637855).

91074273 is a wasteful number, since it uses less digits than its factorization.

91074273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319943.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 91074273 is about 9543.2841831311. The cubic root of 91074273 is about 449.9164832663.

The spelling of 91074273 in words is "ninety-one million, seventy-four thousand, two hundred seventy-three".