91374201 has 24 divisors (see below), whose sum is σ = 143534664. Its totient is φ = 55779840.

The previous prime is 91374187. The next prime is 91374221. The reversal of 91374201 is 10247319.

91374201 is a `hidden beast` number, since 91 + 374 + 201 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 39879225 + 51494976 = 6315^2 + 7176^2 .

It is not a de Polignac number, because 91374201 - 2⁵ = 91374169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91374221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2410 + ... + 13731.

It is an arithmetic number, because the mean of its divisors is an integer number (5980611).

Almost surely, 2^91374201 is an apocalyptic number.

It is an amenable number.

91374201 is a deficient number, since it is larger than the sum of its proper divisors (52160463).

91374201 is a wasteful number, since it uses less digits than its factorization.

91374201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16201 (or 16198 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 91374201 is about 9558.9853541053. The cubic root of 91374201 is about 450.4098340409.

The spelling of 91374201 in words is "ninety-one million, three hundred seventy-four thousand, two hundred one".