42705370 has 8 divisors (see below), whose sum is σ = 76869684. Its totient is φ = 17082144.

The previous prime is 42705359. The next prime is 42705373. The reversal of 42705370 is 7350724.

42705370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42680089 + 25281 = 6533^2 + 159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42705373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2135259 + ... + 2135278.

Almost surely, 2^42705370 is an apocalyptic number.

42705370 is a deficient number, since it is larger than the sum of its proper divisors (34164314).

42705370 is a wasteful number, since it uses less digits than its factorization.

42705370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270544.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 42705370 is about 6534.9345826871. The cubic root of 42705370 is about 349.5378117002.

The spelling of 42705370 in words is "forty-two million, seven hundred five thousand, three hundred seventy".