42306564 has 24 divisors (see below), whose sum is σ = 98884800. Its totient is φ = 14077984.

The previous prime is 42306541. The next prime is 42306601. The reversal of 42306564 is 46560324.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5137 + ... + 10535.

It is an arithmetic number, because the mean of its divisors is an integer number (4120200).

Almost surely, 2^42306564 is an apocalyptic number.

It is an amenable number.

42306564 is an abundant number, since it is smaller than the sum of its proper divisors (56578236).

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

42306564 is a wasteful number, since it uses less digits than its factorization.

42306564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6059 (or 6057 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 42306564 is about 6504.3496215994. The cubic root of 42306564 is about 348.4463489170.

Adding to 42306564 its reverse (46560324), we get a palindrome (88866888).

The spelling of 42306564 in words is "forty-two million, three hundred six thousand, five hundred sixty-four".