91674241 has 2 divisors, whose sum is σ = 91674242. Its totient is φ = 91674240.

The previous prime is 91674229. The next prime is 91674263. The reversal of 91674241 is 14247619.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72182016 + 19492225 = 8496^2 + 4415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91674241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91674197 and 91674206.

It is not a weakly prime, because it can be changed into another prime (91674211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45837120 + 45837121.

It is an arithmetic number, because the mean of its divisors is an integer number (45837121).

Almost surely, 2^91674241 is an apocalyptic number.

It is an amenable number.

91674241 is a deficient number, since it is larger than the sum of its proper divisors (1).

91674241 is an equidigital number, since it uses as much as digits as its factorization.

91674241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 91674241 is about 9574.6666260502. Note that the first 4 decimals coincide. The cubic root of 91674241 is about 450.9022900306.

It can be divided in two parts, 916 and 74241, that added together give a palindrome (75157).

The spelling of 91674241 in words is "ninety-one million, six hundred seventy-four thousand, two hundred forty-one".