42943072 has 48 divisors (see below), whose sum is σ = 88016544. Its totient is φ = 20608000.

The previous prime is 42943063. The next prime is 42943081. The reversal of 42943072 is 27034924.

It is an interprime number because it is at equal distance from previous prime (42943063) and next prime (42943081).

It is a congruent number.

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, 92922 + ... + 93382.

It is an arithmetic number, because the mean of its divisors is an integer number (1833678).

Almost surely, 2^42943072 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 42943072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44008272).

42943072 is an abundant number, since it is smaller than the sum of its proper divisors (45073472).

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

42943072 is a wasteful number, since it uses less digits than its factorization.

42943072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 42943072 is about 6553.0963673671. The cubic root of 42943072 is about 350.1851319894.

Adding to 42943072 its reverse (27034924), we get a palindrome (69977996).

The spelling of 42943072 in words is "forty-two million, nine hundred forty-three thousand, seventy-two".