91448761 has 8 divisors (see below), whose sum is σ = 93189600. Its totient is φ = 89714400.

The previous prime is 91448743. The next prime is 91448801. The reversal of 91448761 is 16784419.

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 91448761 - 2⁹ = 91448249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91448701) 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, 34170 + ... + 36748.

It is an arithmetic number, because the mean of its divisors is an integer number (11648700).

Almost surely, 2^91448761 is an apocalyptic number.

It is an amenable number.

91448761 is a deficient number, since it is larger than the sum of its proper divisors (1740839).

91448761 is a wasteful number, since it uses less digits than its factorization.

91448761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239.

The product of its digits is 48384, while the sum is 40.

The square root of 91448761 is about 9562.8845543591. The cubic root of 91448761 is about 450.5323099940.

The spelling of 91448761 in words is "ninety-one million, four hundred forty-eight thousand, seven hundred sixty-one".