40074233 has 2 divisors, whose sum is σ = 40074234. Its totient is φ = 40074232.

The previous prime is 40074217. The next prime is 40074271. The reversal of 40074233 is 33247004.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39904489 + 169744 = 6317^2 + 412^2 .

It is a cyclic number.

It is not a de Polignac number, because 40074233 - 2⁴ = 40074217 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40074199 and 40074208.

It is not a weakly prime, because it can be changed into another prime (40074733) 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 as a sum of consecutive naturals, namely, 20037116 + 20037117.

It is an arithmetic number, because the mean of its divisors is an integer number (20037117).

Almost surely, 2^40074233 is an apocalyptic number.

It is an amenable number.

40074233 is a deficient number, since it is larger than the sum of its proper divisors (1).

40074233 is an equidigital number, since it uses as much as digits as its factorization.

40074233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 40074233 is about 6330.4212340096. The cubic root of 40074233 is about 342.2066196707.

The spelling of 40074233 in words is "forty million, seventy-four thousand, two hundred thirty-three".