42379379 has 4 divisors (see below), whose sum is σ = 48433584. Its totient is φ = 36325176.

The previous prime is 42379373. The next prime is 42379391. The reversal of 42379379 is 97397324.

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 42379379 - 2²⁰ = 41330803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42379373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3027092 + ... + 3027105.

It is an arithmetic number, because the mean of its divisors is an integer number (12108396).

Almost surely, 2^42379379 is an apocalyptic number.

42379379 is a deficient number, since it is larger than the sum of its proper divisors (6054205).

42379379 is an equidigital number, since it uses as much as digits as its factorization.

42379379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6054204.

The product of its digits is 285768, while the sum is 44.

The square root of 42379379 is about 6509.9446234204. The cubic root of 42379379 is about 348.6461412280.

The spelling of 42379379 in words is "forty-two million, three hundred seventy-nine thousand, three hundred seventy-nine".