42999976 has 32 divisors (see below), whose sum is σ = 84268800. Its totient is φ = 20545920.

The previous prime is 42999973. The next prime is 42999977. The reversal of 42999976 is 67999924.

It is not an unprimeable number, because it can be changed into a prime (42999973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19540 + ... + 21628.

It is an arithmetic number, because the mean of its divisors is an integer number (2633400).

Almost surely, 2^42999976 is an apocalyptic number.

It is an amenable number.

42999976 is a deficient number, since it is larger than the sum of its proper divisors (41268824).

42999976 is a wasteful number, since it uses less digits than its factorization.

42999976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209 (or 2205 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 55.

The square root of 42999976 is about 6557.4366943189. The cubic root of 42999976 is about 350.3397408592.

The spelling of 42999976 in words is "forty-two million, nine hundred ninety-nine thousand, nine hundred seventy-six".