42384375 has 72 divisors (see below), whose sum is σ = 84088368. Its totient is φ = 20400000.

The previous prime is 42384371. The next prime is 42384389. The reversal of 42384375 is 57348324.

It is a happy number.

It is not a de Polignac number, because 42384375 - 2² = 42384371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42384371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 309307 + ... + 309443.

It is an arithmetic number, because the mean of its divisors is an integer number (1167894).

Almost surely, 2^42384375 is an apocalyptic number.

42384375 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42384375 is a deficient number, since it is larger than the sum of its proper divisors (41703993).

42384375 is a wasteful number, since it uses less digits than its factorization.

42384375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 156 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 42384375 is about 6510.3283327341. The cubic root of 42384375 is about 348.6598410329.

The spelling of 42384375 in words is "forty-two million, three hundred eighty-four thousand, three hundred seventy-five".