42847507 has 4 divisors (see below), whose sum is σ = 42871000. Its totient is φ = 42824016.

The previous prime is 42847499. The next prime is 42847513. The reversal of 42847507 is 70574824.

42847507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42847507 - 2³ = 42847499 is a prime.

It is a super-2 number, since 2×42847507² = 3671817712230098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42547507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8757 + ... + 12742.

It is an arithmetic number, because the mean of its divisors is an integer number (10717750).

Almost surely, 2^42847507 is an apocalyptic number.

42847507 is a deficient number, since it is larger than the sum of its proper divisors (23493).

42847507 is a wasteful number, since it uses less digits than its factorization.

42847507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23492.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 42847507 is about 6545.8007149622. The cubic root of 42847507 is about 349.9251731195.

The spelling of 42847507 in words is "forty-two million, eight hundred forty-seven thousand, five hundred seven".