40666733 has 2 divisors, whose sum is σ = 40666734. Its totient is φ = 40666732.

The previous prime is 40666727. The next prime is 40666739. The reversal of 40666733 is 33766604.

40666733 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 (40666727) and next prime (40666739).

It can be written as a sum of positive squares in only one way, i.e., 35200489 + 5466244 = 5933^2 + 2338^2 .

It is a cyclic number.

It is not a de Polignac number, because 40666733 - 2¹² = 40662637 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40666693 and 40666702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40666739) 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, 20333366 + 20333367.

It is an arithmetic number, because the mean of its divisors is an integer number (20333367).

Almost surely, 2^40666733 is an apocalyptic number.

It is an amenable number.

40666733 is a deficient number, since it is larger than the sum of its proper divisors (1).

40666733 is an equidigital number, since it uses as much as digits as its factorization.

40666733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 40666733 is about 6377.0473575159. The cubic root of 40666733 is about 343.8848908402.

The spelling of 40666733 in words is "forty million, six hundred sixty-six thousand, seven hundred thirty-three".