42782582 has 16 divisors (see below), whose sum is σ = 66899760. Its totient is φ = 20500128.

The previous prime is 42782581. The next prime is 42782603. The reversal of 42782582 is 28528724.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42782581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644 + ... + 9272.

It is an arithmetic number, because the mean of its divisors is an integer number (4181235).

Almost surely, 2^42782582 is an apocalyptic number.

42782582 is a deficient number, since it is larger than the sum of its proper divisors (24117178).

42782582 is a wasteful number, since it uses less digits than its factorization.

42782582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8735.

The product of its digits is 71680, while the sum is 38.

The square root of 42782582 is about 6540.8395485595. The cubic root of 42782582 is about 349.7483415438.

The spelling of 42782582 in words is "forty-two million, seven hundred eighty-two thousand, five hundred eighty-two".