42042707 has 8 divisors (see below), whose sum is σ = 48128256. Its totient is φ = 35977032.

The previous prime is 42042703. The next prime is 42042719. The reversal of 42042707 is 70724024.

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

It is not a de Polignac number, because 42042707 - 2² = 42042703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42042703) 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, 113 + ... + 9170.

It is an arithmetic number, because the mean of its divisors is an integer number (6016032).

Almost surely, 2^42042707 is an apocalyptic number.

42042707 is a deficient number, since it is larger than the sum of its proper divisors (6085549).

42042707 is an equidigital number, since it uses as much as digits as its factorization.

42042707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9937.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 42042707 is about 6484.0347778216. The cubic root of 42042707 is about 347.7204425694.

The spelling of 42042707 in words is "forty-two million, forty-two thousand, seven hundred seven".