42927379 has 4 divisors (see below), whose sum is σ = 46829880. Its totient is φ = 39024880.

The previous prime is 42927377. The next prime is 42927383. The reversal of 42927379 is 97372924.

It is a happy number.

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 42927379 - 2¹ = 42927377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42927371) 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, 1951234 + ... + 1951255.

It is an arithmetic number, because the mean of its divisors is an integer number (11707470).

Almost surely, 2^42927379 is an apocalyptic number.

42927379 is a deficient number, since it is larger than the sum of its proper divisors (3902501).

42927379 is a wasteful number, since it uses less digits than its factorization.

42927379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902500.

The product of its digits is 190512, while the sum is 43.

The square root of 42927379 is about 6551.8988850561. The cubic root of 42927379 is about 350.1424698899.

The spelling of 42927379 in words is "forty-two million, nine hundred twenty-seven thousand, three hundred seventy-nine".