42058705 has 8 divisors (see below), whose sum is σ = 54352872. Its totient is φ = 31058688.

The previous prime is 42058703. The next prime is 42058741. The reversal of 42058705 is 50785024.

It can be written as a sum of positive squares in 4 ways, for example, as 2027776 + 40030929 = 1424^2 + 6327^2 .

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 42058705 - 2¹ = 42058703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42058703) 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, 323464 + ... + 323593.

It is an arithmetic number, because the mean of its divisors is an integer number (6794109).

Almost surely, 2^42058705 is an apocalyptic number.

It is an amenable number.

42058705 is a deficient number, since it is larger than the sum of its proper divisors (12294167).

42058705 is a wasteful number, since it uses less digits than its factorization.

42058705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647075.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 42058705 is about 6485.2683059377. The cubic root of 42058705 is about 347.7645415868.

The spelling of 42058705 in words is "forty-two million, fifty-eight thousand, seven hundred five".