91272095 has 8 divisors (see below), whose sum is σ = 111593376. Its totient is φ = 71639776.

The previous prime is 91272089. The next prime is 91272113. The reversal of 91272095 is 59027219.

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

It is a cyclic number.

It is not a de Polignac number, because 91272095 - 2¹⁰ = 91271071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171947 + ... + 172476.

It is an arithmetic number, because the mean of its divisors is an integer number (13949172).

Almost surely, 2^91272095 is an apocalyptic number.

91272095 is a deficient number, since it is larger than the sum of its proper divisors (20321281).

91272095 is a wasteful number, since it uses less digits than its factorization.

91272095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344481.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 91272095 is about 9553.6430224287. The cubic root of 91272095 is about 450.2420015201.

The spelling of 91272095 in words is "ninety-one million, two hundred seventy-two thousand, ninety-five".