42345705 has 8 divisors (see below), whose sum is σ = 67753152. Its totient is φ = 22584368.

The previous prime is 42345703. The next prime is 42345707. The reversal of 42345705 is 50754324.

It is an interprime number because it is at equal distance from previous prime (42345703) and next prime (42345707).

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 42345705 - 2¹ = 42345703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42345701) 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, 1411509 + ... + 1411538.

It is an arithmetic number, because the mean of its divisors is an integer number (8469144).

Almost surely, 2^42345705 is an apocalyptic number.

It is an amenable number.

42345705 is a deficient number, since it is larger than the sum of its proper divisors (25407447).

42345705 is a wasteful number, since it uses less digits than its factorization.

42345705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823055.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 42345705 is about 6507.3577587220. The cubic root of 42345705 is about 348.5537738128.

The spelling of 42345705 in words is "forty-two million, three hundred forty-five thousand, seven hundred five".