42729067 has 8 divisors (see below), whose sum is σ = 44433792. Its totient is φ = 41044800.

The previous prime is 42729047. The next prime is 42729079. The reversal of 42729067 is 76092724.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42729067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42729047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784 + ... + 9277.

It is an arithmetic number, because the mean of its divisors is an integer number (5554224).

Almost surely, 2^42729067 is an apocalyptic number.

42729067 is a deficient number, since it is larger than the sum of its proper divisors (1704725).

42729067 is a wasteful number, since it uses less digits than its factorization.

42729067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10229.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 42729067 is about 6536.7474327834. The cubic root of 42729067 is about 349.6024520169.

The spelling of 42729067 in words is "forty-two million, seven hundred twenty-nine thousand, sixty-seven".