42317952 has 64 divisors (see below), whose sum is σ = 113187360. Its totient is φ = 14008320.

The previous prime is 42317941. The next prime is 42317971. The reversal of 42317952 is 25971324.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×42317952² = 3581618122948608, which contains 22 as substring.

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, 73827 + ... + 74397.

Almost surely, 2^42317952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42317952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56593680).

42317952 is an abundant number, since it is smaller than the sum of its proper divisors (70869408).

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

42317952 is a wasteful number, since it uses less digits than its factorization.

42317952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781 (or 769 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 42317952 is about 6505.2249768936. The cubic root of 42317952 is about 348.4776108194.

The spelling of 42317952 in words is "forty-two million, three hundred seventeen thousand, nine hundred fifty-two".