42375919 has 4 divisors (see below), whose sum is σ = 43409520. Its totient is φ = 41342320.

The previous prime is 42375911. The next prime is 42375953. The reversal of 42375919 is 91957324.

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 42375919 - 2³ = 42375911 is a prime.

It is a super-2 number, since 2×42375919² = 3591437022189122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42375911) 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, 516739 + ... + 516820.

It is an arithmetic number, because the mean of its divisors is an integer number (10852380).

Almost surely, 2^42375919 is an apocalyptic number.

42375919 is a deficient number, since it is larger than the sum of its proper divisors (1033601).

42375919 is a wasteful number, since it uses less digits than its factorization.

42375919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033600.

The product of its digits is 68040, while the sum is 40.

The square root of 42375919 is about 6509.6788707278. The cubic root of 42375919 is about 348.6366527416.

The spelling of 42375919 in words is "forty-two million, three hundred seventy-five thousand, nine hundred nineteen".