42829705 has 8 divisors (see below), whose sum is σ = 54100800. Its totient is φ = 32460336.

The previous prime is 42829673. The next prime is 42829711. The reversal of 42829705 is 50792824.

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

It is a cyclic number.

It is not a de Polignac number, because 42829705 - 2⁵ = 42829673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225325 + ... + 225514.

It is an arithmetic number, because the mean of its divisors is an integer number (6762600).

Almost surely, 2^42829705 is an apocalyptic number.

It is an amenable number.

42829705 is a deficient number, since it is larger than the sum of its proper divisors (11271095).

42829705 is a wasteful number, since it uses less digits than its factorization.

42829705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450863.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 42829705 is about 6544.4407706083. The cubic root of 42829705 is about 349.8767048710.

It can be divided in two parts, 42829 and 705, that added together give a palindrome (43534).

The spelling of 42829705 in words is "forty-two million, eight hundred twenty-nine thousand, seven hundred five".