42530946 has 32 divisors (see below), whose sum is σ = 88252416. Its totient is φ = 13650000.

The previous prime is 42530941. The next prime is 42530953. The reversal of 42530946 is 64903524.

42530946 is nontrivially palindromic in base 16.

It is not an unprimeable number, because it can be changed into a prime (42530941) 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, 46231 + ... + 47141.

It is an arithmetic number, because the mean of its divisors is an integer number (2757888).

Almost surely, 2^42530946 is an apocalyptic number.

42530946 is an abundant number, since it is smaller than the sum of its proper divisors (45721470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42530946 is a wasteful number, since it uses less digits than its factorization.

42530946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 42530946 is about 6521.5754231627. The cubic root of 42530946 is about 349.0612832068.

The spelling of 42530946 in words is "forty-two million, five hundred thirty thousand, nine hundred forty-six".