42999982 has 16 divisors (see below), whose sum is σ = 66885840. Its totient is φ = 20708352.

The previous prime is 42999977. The next prime is 43000019. The reversal of 42999982 is 28999924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36718 + ... + 37870.

It is an arithmetic number, because the mean of its divisors is an integer number (4180365).

Almost surely, 2^42999982 is an apocalyptic number.

42999982 is a deficient number, since it is larger than the sum of its proper divisors (23885858).

42999982 is a wasteful number, since it uses less digits than its factorization.

42999982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827.

The product of its digits is 839808, while the sum is 52.

The square root of 42999982 is about 6557.4371518147. The cubic root of 42999982 is about 350.3397571540.

Adding to 42999982 its sum of digits (52), we get a palindrome (43000034).

The spelling of 42999982 in words is "forty-two million, nine hundred ninety-nine thousand, nine hundred eighty-two".