42782892 has 12 divisors (see below), whose sum is σ = 99826776. Its totient is φ = 14260960.

The previous prime is 42782879. The next prime is 42782941. The reversal of 42782892 is 29828724.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1782609 + ... + 1782632.

It is an arithmetic number, because the mean of its divisors is an integer number (8318898).

Almost surely, 2^42782892 is an apocalyptic number.

It is an amenable number.

42782892 is an abundant number, since it is smaller than the sum of its proper divisors (57043884).

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

42782892 is a wasteful number, since it uses less digits than its factorization.

42782892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565248 (or 3565246 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 42782892 is about 6540.8632457803. The cubic root of 42782892 is about 349.7491862936.

The spelling of 42782892 in words is "forty-two million, seven hundred eighty-two thousand, eight hundred ninety-two".