41091073 has 4 divisors (see below), whose sum is σ = 41270740. Its totient is φ = 40911408.

The previous prime is 41091047. The next prime is 41091097. The reversal of 41091073 is 37019014.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37019014 = 2 ⋅18509507.

It can be written as a sum of positive squares in 2 ways, for example, as 20948929 + 20142144 = 4577^2 + 4488^2 .

It is a cyclic number.

It is not a de Polignac number, because 41091073 - 2¹⁷ = 40960001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41091013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89490 + ... + 89947.

It is an arithmetic number, because the mean of its divisors is an integer number (10317685).

It is a Proth number, since it is equal to 627 ⋅ 2¹⁶ + 1 and 627 < 2¹⁶.

Almost surely, 2^41091073 is an apocalyptic number.

It is an amenable number.

41091073 is a deficient number, since it is larger than the sum of its proper divisors (179667).

41091073 is a wasteful number, since it uses less digits than its factorization.

41091073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179666.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 41091073 is about 6410.2318990813. The cubic root of 41091073 is about 345.0768518844.

The spelling of 41091073 in words is "forty-one million, ninety-one thousand, seventy-three".