42764663 has 2 divisors, whose sum is σ = 42764664. Its totient is φ = 42764662.

The previous prime is 42764651. The next prime is 42764699. The reversal of 42764663 is 36646724.

42764663 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 42764663 - 2¹⁰ = 42763639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42764263) 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, 21382331 + 21382332.

It is an arithmetic number, because the mean of its divisors is an integer number (21382332).

Almost surely, 2^42764663 is an apocalyptic number.

42764663 is a deficient number, since it is larger than the sum of its proper divisors (1).

42764663 is an equidigital number, since it uses as much as digits as its factorization.

42764663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 38.

The square root of 42764663 is about 6539.4696268123. The cubic root of 42764663 is about 349.6995053476.

The spelling of 42764663 in words is "forty-two million, seven hundred sixty-four thousand, six hundred sixty-three".