42997682 has 32 divisors (see below), whose sum is σ = 81951744. Its totient is φ = 16459200.

The previous prime is 42997667. The next prime is 42997687. The reversal of 42997682 is 28679924.

It is not an unprimeable number, because it can be changed into a prime (42997687) 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 15 ways as a sum of consecutive naturals, for example, 1832 + ... + 9452.

It is an arithmetic number, because the mean of its divisors is an integer number (2560992).

Almost surely, 2^42997682 is an apocalyptic number.

42997682 is a deficient number, since it is larger than the sum of its proper divisors (38954062).

42997682 is a wasteful number, since it uses less digits than its factorization.

42997682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7674.

The product of its digits is 435456, while the sum is 47.

The square root of 42997682 is about 6557.2617760770. The cubic root of 42997682 is about 350.3335106723. Note that the first 3 decimals are identical.

The spelling of 42997682 in words is "forty-two million, nine hundred ninety-seven thousand, six hundred eighty-two".