42710029 has 4 divisors (see below), whose sum is σ = 42811900. Its totient is φ = 42608160.

The previous prime is 42710023. The next prime is 42710047. The reversal of 42710029 is 92001724.

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 9012004 + 33698025 = 3002^2 + 5805^2 .

It is a cyclic number.

It is not a de Polignac number, because 42710029 - 2⁹ = 42709517 is a prime.

It is a super-3 number, since 3×42710029³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42709985 and 42710012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42710023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50304 + ... + 51145.

It is an arithmetic number, because the mean of its divisors is an integer number (10702975).

Almost surely, 2^42710029 is an apocalyptic number.

It is an amenable number.

42710029 is a deficient number, since it is larger than the sum of its proper divisors (101871).

42710029 is a wasteful number, since it uses less digits than its factorization.

42710029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101870.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 42710029 is about 6535.2910417211. The cubic root of 42710029 is about 349.5505223378.

The spelling of 42710029 in words is "forty-two million, seven hundred ten thousand, twenty-nine".