91076 has 6 divisors (see below), whose sum is σ = 159390. Its totient is φ = 45536.

The previous prime is 91033. The next prime is 91079. The reversal of 91076 is 67019.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51076 + 40000 = 226^2 + 200^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (91079) by changing a digit.

91076 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11381 + ... + 11388.

It is an arithmetic number, because the mean of its divisors is an integer number (26565).

2⁹¹⁰⁷⁶ is an apocalyptic number.

It is an amenable number.

91076 is a deficient number, since it is larger than the sum of its proper divisors (68314).

91076 is a wasteful number, since it uses less digits than its factorization.

91076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22773 (or 22771 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 91076 is about 301.7880050632. The cubic root of 91076 is about 44.9919327102.

The spelling of 91076 in words is "ninety-one thousand, seventy-six".