42247308 has 24 divisors (see below), whose sum is σ = 98809200. Its totient is φ = 14049280.

The previous prime is 42247301. The next prime is 42247333. The reversal of 42247308 is 80374224.

It is not an unprimeable number, because it can be changed into a prime (42247301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1468 + ... + 9308.

It is an arithmetic number, because the mean of its divisors is an integer number (4117050).

Almost surely, 2^42247308 is an apocalyptic number.

It is an amenable number.

42247308 is an abundant number, since it is smaller than the sum of its proper divisors (56561892).

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

42247308 is a wasteful number, since it uses less digits than its factorization.

42247308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8297 (or 8295 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 42247308 is about 6499.7929197783. The cubic root of 42247308 is about 348.2835910036.

The spelling of 42247308 in words is "forty-two million, two hundred forty-seven thousand, three hundred eight".