42730463 has 2 divisors, whose sum is σ = 42730464. Its totient is φ = 42730462.

The previous prime is 42730459. The next prime is 42730489. The reversal of 42730463 is 36403724.

It is a happy number.

42730463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42730463 - 2² = 42730459 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 (42730403) 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, 21365231 + 21365232.

It is an arithmetic number, because the mean of its divisors is an integer number (21365232).

Almost surely, 2^42730463 is an apocalyptic number.

42730463 is a deficient number, since it is larger than the sum of its proper divisors (1).

42730463 is an equidigital number, since it uses as much as digits as its factorization.

42730463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 42730463 is about 6536.8542128458. The cubic root of 42730463 is about 349.6062592590.

The spelling of 42730463 in words is "forty-two million, seven hundred thirty thousand, four hundred sixty-three".