42782874 has 8 divisors (see below), whose sum is σ = 85565760. Its totient is φ = 14260956.

The previous prime is 42782869. The next prime is 42782879. The reversal of 42782874 is 47828724.

It is an interprime number because it is at equal distance from previous prime (42782869) and next prime (42782879).

It is a sphenic number, since it is the product of 3 distinct primes.

42782874 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (42782879) by changing a digit.

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, 3565234 + ... + 3565245.

It is an arithmetic number, because the mean of its divisors is an integer number (10695720).

Almost surely, 2^42782874 is an apocalyptic number.

42782874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42782874 is a wasteful number, since it uses less digits than its factorization.

42782874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7130484.

The product of its digits is 200704, while the sum is 42.

The square root of 42782874 is about 6540.8618698150. The cubic root of 42782874 is about 349.7491372437.

The spelling of 42782874 in words is "forty-two million, seven hundred eighty-two thousand, eight hundred seventy-four".