42997029 has 8 divisors (see below), whose sum is σ = 60701760. Its totient is φ = 26978496.

The previous prime is 42997027. The next prime is 42997043. The reversal of 42997029 is 92079924.

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

It is not a de Polignac number, because 42997029 - 2¹ = 42997027 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42997021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421489 + ... + 421590.

It is an arithmetic number, because the mean of its divisors is an integer number (7587720).

Almost surely, 2^42997029 is an apocalyptic number.

It is an amenable number.

42997029 is a deficient number, since it is larger than the sum of its proper divisors (17704731).

42997029 is a wasteful number, since it uses less digits than its factorization.

42997029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843099.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 42997029 is about 6557.2119837626. The cubic root of 42997029 is about 350.3317371740.

The spelling of 42997029 in words is "forty-two million, nine hundred ninety-seven thousand, twenty-nine".