42735379 has 4 divisors (see below), whose sum is σ = 42781176. Its totient is φ = 42689584.

The previous prime is 42735377. The next prime is 42735419. The reversal of 42735379 is 97353724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42735379 - 2¹ = 42735377 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42735377) 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 3 ways as a sum of consecutive naturals, for example, 21469 + ... + 23374.

It is an arithmetic number, because the mean of its divisors is an integer number (10695294).

Almost surely, 2^42735379 is an apocalyptic number.

42735379 is a deficient number, since it is larger than the sum of its proper divisors (45797).

42735379 is an equidigital number, since it uses as much as digits as its factorization.

42735379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45796.

The product of its digits is 158760, while the sum is 40.

The square root of 42735379 is about 6537.2302238792. The cubic root of 42735379 is about 349.6196657638.

The spelling of 42735379 in words is "forty-two million, seven hundred thirty-five thousand, three hundred seventy-nine".