42751029 has 8 divisors (see below), whose sum is σ = 57032640. Its totient is φ = 28485056.

The previous prime is 42751013. The next prime is 42751031. The reversal of 42751029 is 92015724.

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 42751029 - 2⁴ = 42751013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42750987 and 42751005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42751099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6232 + ... + 11150.

It is an arithmetic number, because the mean of its divisors is an integer number (7129080).

Almost surely, 2^42751029 is an apocalyptic number.

It is an amenable number.

42751029 is a deficient number, since it is larger than the sum of its proper divisors (14281611).

42751029 is a wasteful number, since it uses less digits than its factorization.

42751029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7819.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 42751029 is about 6538.4271044342. The cubic root of 42751029 is about 349.6623382920.

The spelling of 42751029 in words is "forty-two million, seven hundred fifty-one thousand, twenty-nine".