42179619 has 8 divisors (see below), whose sum is σ = 57010192. Its totient is φ = 27734400.

The previous prime is 42179597. The next prime is 42179629. The reversal of 42179619 is 91697124.

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

It is not a de Polignac number, because 42179619 - 2⁵ = 42179587 is a prime.

It is a super-2 number, since 2×42179619² = 3558240517970322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42179629) 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 7 ways as a sum of consecutive naturals, for example, 96082 + ... + 96519.

It is an arithmetic number, because the mean of its divisors is an integer number (7126274).

Almost surely, 2^42179619 is an apocalyptic number.

42179619 is a deficient number, since it is larger than the sum of its proper divisors (14830573).

42179619 is a wasteful number, since it uses less digits than its factorization.

42179619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192677.

The product of its digits is 27216, while the sum is 39.

The square root of 42179619 is about 6494.5838203845. The cubic root of 42179619 is about 348.0974839197.

The spelling of 42179619 in words is "forty-two million, one hundred seventy-nine thousand, six hundred nineteen".