40746533 has 2 divisors, whose sum is σ = 40746534. Its totient is φ = 40746532.

The previous prime is 40746529. The next prime is 40746571. The reversal of 40746533 is 33564704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40742689 + 3844 = 6383^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 40746533 - 2² = 40746529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40746533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40746523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20373266 + 20373267.

It is an arithmetic number, because the mean of its divisors is an integer number (20373267).

Almost surely, 2^40746533 is an apocalyptic number.

It is an amenable number.

40746533 is a deficient number, since it is larger than the sum of its proper divisors (1).

40746533 is an equidigital number, since it uses as much as digits as its factorization.

40746533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 40746533 is about 6383.3011052276. The cubic root of 40746533 is about 344.1096780480.

The spelling of 40746533 in words is "forty million, seven hundred forty-six thousand, five hundred thirty-three".