42711029 has 4 divisors (see below), whose sum is σ = 42767340. Its totient is φ = 42654720.

The previous prime is 42711001. The next prime is 42711047. The reversal of 42711029 is 92011724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8254129 + 34456900 = 2873^2 + 5870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42711029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42710989 and 42711007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42711329) 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 3 ways as a sum of consecutive naturals, for example, 27002 + ... + 28539.

It is an arithmetic number, because the mean of its divisors is an integer number (10691835).

Almost surely, 2^42711029 is an apocalyptic number.

It is an amenable number.

42711029 is a deficient number, since it is larger than the sum of its proper divisors (56311).

42711029 is an equidigital number, since it uses as much as digits as its factorization.

42711029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56310.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 42711029 is about 6535.3675489600. The cubic root of 42711029 is about 349.5532504074.

The spelling of 42711029 in words is "forty-two million, seven hundred eleven thousand, twenty-nine".