40730663 has 2 divisors, whose sum is σ = 40730664. Its totient is φ = 40730662.

The previous prime is 40730653. The next prime is 40730681. The reversal of 40730663 is 36603704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40730663 - 2¹⁴ = 40714279 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40730653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20365331 + 20365332.

It is an arithmetic number, because the mean of its divisors is an integer number (20365332).

Almost surely, 2^40730663 is an apocalyptic number.

40730663 is a deficient number, since it is larger than the sum of its proper divisors (1).

40730663 is an equidigital number, since it uses as much as digits as its factorization.

40730663 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 29.

The square root of 40730663 is about 6382.0578969483. The cubic root of 40730663 is about 344.0649975208.

The spelling of 40730663 in words is "forty million, seven hundred thirty thousand, six hundred sixty-three".