42744763 has 2 divisors, whose sum is σ = 42744764. Its totient is φ = 42744762.

The previous prime is 42744721. The next prime is 42744799. The reversal of 42744763 is 36744724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42744763 - 2²⁵ = 9190331 is a prime.

It is a super-2 number, since 2×42744763² = 3654229527852338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42744703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21372381 + 21372382.

It is an arithmetic number, because the mean of its divisors is an integer number (21372382).

Almost surely, 2^42744763 is an apocalyptic number.

42744763 is a deficient number, since it is larger than the sum of its proper divisors (1).

42744763 is an equidigital number, since it uses as much as digits as its factorization.

42744763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 37.

The square root of 42744763 is about 6537.9479196457. The cubic root of 42744763 is about 349.6452541709.

The spelling of 42744763 in words is "forty-two million, seven hundred forty-four thousand, seven hundred sixty-three".