42548907 has 16 divisors (see below), whose sum is σ = 57559968. Its totient is φ = 27955200.

The previous prime is 42548899. The next prime is 42548911. The reversal of 42548907 is 70984524.

It is not a de Polignac number, because 42548907 - 2³ = 42548899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42544907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105907 + ... + 106307.

It is an arithmetic number, because the mean of its divisors is an integer number (3597498).

Almost surely, 2^42548907 is an apocalyptic number.

42548907 is a deficient number, since it is larger than the sum of its proper divisors (15011061).

42548907 is a wasteful number, since it uses less digits than its factorization.

42548907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 42548907 is about 6522.9523223767. The cubic root of 42548907 is about 349.1104129814.

The spelling of 42548907 in words is "forty-two million, five hundred forty-eight thousand, nine hundred seven".