40730563 has 2 divisors, whose sum is σ = 40730564. Its totient is φ = 40730562.

The previous prime is 40730561. The next prime is 40730567. The reversal of 40730563 is 36503704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40730563 - 2¹ = 40730561 is a prime.

Together with 40730561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40730561) 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, 20365281 + 20365282.

It is an arithmetic number, because the mean of its divisors is an integer number (20365282).

Almost surely, 2^40730563 is an apocalyptic number.

40730563 is a deficient number, since it is larger than the sum of its proper divisors (1).

40730563 is an equidigital number, since it uses as much as digits as its factorization.

40730563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 40730563 is about 6382.0500624799. The cubic root of 40730563 is about 344.0647159432.

The spelling of 40730563 in words is "forty million, seven hundred thirty thousand, five hundred sixty-three".