42038907 has 8 divisors (see below), whose sum is σ = 57355584. Its totient is φ = 27374088.

The previous prime is 42038903. The next prime is 42038921. The reversal of 42038907 is 70983024.

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

It is not a de Polignac number, because 42038907 - 2² = 42038903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42038903) 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, 162813 + ... + 163070.

It is an arithmetic number, because the mean of its divisors is an integer number (7169448).

Almost surely, 2^42038907 is an apocalyptic number.

42038907 is a deficient number, since it is larger than the sum of its proper divisors (15316677).

42038907 is a wasteful number, since it uses less digits than its factorization.

42038907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325929.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 42038907 is about 6483.7417437773. The cubic root of 42038907 is about 347.7099660993.

The spelling of 42038907 in words is "forty-two million, thirty-eight thousand, nine hundred seven".