42647952 has 20 divisors (see below), whose sum is σ = 110174000. Its totient is φ = 14215968.

The previous prime is 42647947. The next prime is 42647977. The reversal of 42647952 is 25974624.

It is a self number, because there is not a number n which added to its sum of digits gives 42647952.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444202 + ... + 444297.

It is an arithmetic number, because the mean of its divisors is an integer number (5508700).

Almost surely, 2^42647952 is an apocalyptic number.

It is an amenable number.

42647952 is an abundant number, since it is smaller than the sum of its proper divisors (67526048).

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

42647952 is a wasteful number, since it uses less digits than its factorization.

42647952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888510 (or 888504 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 42647952 is about 6530.5399470488. The cubic root of 42647952 is about 349.3810885254.

The spelling of 42647952 in words is "forty-two million, six hundred forty-seven thousand, nine hundred fifty-two".