42429766 has 16 divisors (see below), whose sum is σ = 64746864. Its totient is φ = 20850304.

The previous prime is 42429757. The next prime is 42429769. The reversal of 42429766 is 66792424.

42429766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42429769) 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 in 7 ways as a sum of consecutive naturals, for example, 38130 + ... + 39226.

It is an arithmetic number, because the mean of its divisors is an integer number (4046679).

Almost surely, 2^42429766 is an apocalyptic number.

42429766 is a deficient number, since it is larger than the sum of its proper divisors (22317098).

42429766 is a wasteful number, since it uses less digits than its factorization.

42429766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415.

The product of its digits is 145152, while the sum is 40.

The square root of 42429766 is about 6513.8134759909. The cubic root of 42429766 is about 348.7842608822.

The spelling of 42429766 in words is "forty-two million, four hundred twenty-nine thousand, seven hundred sixty-six".