40974091 has 2 divisors, whose sum is σ = 40974092. Its totient is φ = 40974090.

The previous prime is 40974079. The next prime is 40974103. The reversal of 40974091 is 19047904.

40974091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (40974079) and next prime (40974103).

It is a cyclic number.

It is not a de Polignac number, because 40974091 - 2¹⁵ = 40941323 is a prime.

It is a super-2 number, since 2×40974091² = 3357752266552562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40974041) 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 as a sum of consecutive naturals, namely, 20487045 + 20487046.

It is an arithmetic number, because the mean of its divisors is an integer number (20487046).

Almost surely, 2^40974091 is an apocalyptic number.

40974091 is a deficient number, since it is larger than the sum of its proper divisors (1).

40974091 is an equidigital number, since it uses as much as digits as its factorization.

40974091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 40974091 is about 6401.1007647123. The cubic root of 40974091 is about 344.7490747002.

The spelling of 40974091 in words is "forty million, nine hundred seventy-four thousand, ninety-one".