42342907 has 4 divisors (see below), whose sum is σ = 42818760. Its totient is φ = 41867056.

The previous prime is 42342901. The next prime is 42342941. The reversal of 42342907 is 70924324.

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 42342907 - 2³ = 42342899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42342901) 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, 237793 + ... + 237970.

It is an arithmetic number, because the mean of its divisors is an integer number (10704690).

Almost surely, 2^42342907 is an apocalyptic number.

42342907 is a deficient number, since it is larger than the sum of its proper divisors (475853).

42342907 is an equidigital number, since it uses as much as digits as its factorization.

42342907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475852.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 42342907 is about 6507.1427677591. The cubic root of 42342907 is about 348.5460967261.

The spelling of 42342907 in words is "forty-two million, three hundred forty-two thousand, nine hundred seven".