42749711 has 2 divisors, whose sum is σ = 42749712. Its totient is φ = 42749710.

The previous prime is 42749701. The next prime is 42749717. The reversal of 42749711 is 11794724.

42749711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42749711 - 2¹⁸ = 42487567 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42749717) 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, 21374855 + 21374856.

It is an arithmetic number, because the mean of its divisors is an integer number (21374856).

Almost surely, 2^42749711 is an apocalyptic number.

42749711 is a deficient number, since it is larger than the sum of its proper divisors (1).

42749711 is an equidigital number, since it uses as much as digits as its factorization.

42749711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 35.

The square root of 42749711 is about 6538.3263148913. The cubic root of 42749711 is about 349.6587449305.

The spelling of 42749711 in words is "forty-two million, seven hundred forty-nine thousand, seven hundred eleven".