42782030 has 32 divisors (see below), whose sum is σ = 81881280. Its totient is φ = 16038400.

The previous prime is 42782023. The next prime is 42782039. The reversal of 42782030 is 3028724.

42782030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42782039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60680 + ... + 61380.

It is an arithmetic number, because the mean of its divisors is an integer number (2558790).

Almost surely, 2^42782030 is an apocalyptic number.

42782030 is a deficient number, since it is larger than the sum of its proper divisors (39099250).

42782030 is a wasteful number, since it uses less digits than its factorization.

42782030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 42782030 is about 6540.7973520053. The cubic root of 42782030 is about 349.7468373342.

The spelling of 42782030 in words is "forty-two million, seven hundred eighty-two thousand, thirty".