42385007 has 4 divisors (see below), whose sum is σ = 48440016. Its totient is φ = 36330000.

The previous prime is 42384983. The next prime is 42385027. The reversal of 42385007 is 70058324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42385007 - 2¹⁰ = 42383983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42385027) 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, 3027494 + ... + 3027507.

It is an arithmetic number, because the mean of its divisors is an integer number (12110004).

Almost surely, 2^42385007 is an apocalyptic number.

42385007 is a deficient number, since it is larger than the sum of its proper divisors (6055009).

42385007 is an equidigital number, since it uses as much as digits as its factorization.

42385007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055008.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 42385007 is about 6510.3768708117. The cubic root of 42385007 is about 348.6615739980.

The spelling of 42385007 in words is "forty-two million, three hundred eighty-five thousand, seven".