91975226 has 8 divisors (see below), whose sum is σ = 157671840. Its totient is φ = 39417948.

The previous prime is 91975223. The next prime is 91975249. The reversal of 91975226 is 62257919.

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 (91975223) 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, 3284816 + ... + 3284843.

It is an arithmetic number, because the mean of its divisors is an integer number (19708980).

Almost surely, 2^91975226 is an apocalyptic number.

91975226 is a deficient number, since it is larger than the sum of its proper divisors (65696614).

91975226 is a wasteful number, since it uses less digits than its factorization.

91975226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6569668.

The product of its digits is 68040, while the sum is 41.

The square root of 91975226 is about 9590.3715256501. The cubic root of 91975226 is about 451.3952186447.

The spelling of 91975226 in words is "ninety-one million, nine hundred seventy-five thousand, two hundred twenty-six".