42943782 has 32 divisors (see below), whose sum is σ = 99546624. Its totient is φ = 12096000.

The previous prime is 42943777. The next prime is 42943793. The reversal of 42943782 is 28734924.

It is a self number, because there is not a number n which added to its sum of digits gives 42943782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4219 + ... + 10182.

It is an arithmetic number, because the mean of its divisors is an integer number (3110832).

Almost surely, 2^42943782 is an apocalyptic number.

42943782 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42943782 is an abundant number, since it is smaller than the sum of its proper divisors (56602842).

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

42943782 is a wasteful number, since it uses less digits than its factorization.

42943782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14484.

The product of its digits is 96768, while the sum is 39.

The square root of 42943782 is about 6553.1505400075. The cubic root of 42943782 is about 350.1870619094.

The spelling of 42943782 in words is "forty-two million, nine hundred forty-three thousand, seven hundred eighty-two".