42307660 has 24 divisors (see below), whose sum is σ = 89974080. Its totient is φ = 16708224.

The previous prime is 42307609. The next prime is 42307691. The reversal of 42307660 is 6670324.

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, 11809 + ... + 14968.

It is an arithmetic number, because the mean of its divisors is an integer number (3748920).

Almost surely, 2^42307660 is an apocalyptic number.

It is an amenable number.

42307660 is an abundant number, since it is smaller than the sum of its proper divisors (47666420).

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

42307660 is a wasteful number, since it uses less digits than its factorization.

42307660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26865 (or 26863 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 42307660 is about 6504.4338723674. The cubic root of 42307660 is about 348.4493578582.

Adding to 42307660 its reverse (6670324), we get a palindrome (48977984).

The spelling of 42307660 in words is "forty-two million, three hundred seven thousand, six hundred sixty".