42336387 has 12 divisors (see below), whose sum is σ = 61508304. Its totient is φ = 28060080.

The previous prime is 42336383. The next prime is 42336397. The reversal of 42336387 is 78363324.

It is not a de Polignac number, because 42336387 - 2² = 42336383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42336383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12039 + ... + 15152.

It is an arithmetic number, because the mean of its divisors is an integer number (5125692).

Almost surely, 2^42336387 is an apocalyptic number.

42336387 is a deficient number, since it is larger than the sum of its proper divisors (19171917).

42336387 is a wasteful number, since it uses less digits than its factorization.

42336387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27370 (or 27367 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 42336387 is about 6506.6417605398. The cubic root of 42336387 is about 348.5282059910.

The spelling of 42336387 in words is "forty-two million, three hundred thirty-six thousand, three hundred eighty-seven".