42379547 has 8 divisors (see below), whose sum is σ = 50539776. Its totient is φ = 34745832.

The previous prime is 42379537. The next prime is 42379549. The reversal of 42379547 is 74597324.

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 42379547 - 2⁴ = 42379531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42379549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131453 + ... + 131774.

It is an arithmetic number, because the mean of its divisors is an integer number (6317472).

Almost surely, 2^42379547 is an apocalyptic number.

42379547 is a deficient number, since it is larger than the sum of its proper divisors (8160229).

42379547 is a wasteful number, since it uses less digits than its factorization.

42379547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263257.

The product of its digits is 211680, while the sum is 41.

The square root of 42379547 is about 6509.9575267432. The cubic root of 42379547 is about 348.6466019275.

The spelling of 42379547 in words is "forty-two million, three hundred seventy-nine thousand, five hundred forty-seven".