76428242 has 16 divisors (see below), whose sum is σ = 127116864. Its totient is φ = 34170000.

The previous prime is 76428239. The next prime is 76428257. The reversal of 76428242 is 24282467.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27134 + ... + 29817.

It is an arithmetic number, because the mean of its divisors is an integer number (7944804).

Almost surely, 2^76428242 is an apocalyptic number.

76428242 is a deficient number, since it is larger than the sum of its proper divisors (50688622).

76428242 is a wasteful number, since it uses less digits than its factorization.

76428242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57025.

The product of its digits is 43008, while the sum is 35.

The square root of 76428242 is about 8742.3247480290. The cubic root of 76428242 is about 424.3764641778.

The spelling of 76428242 in words is "seventy-six million, four hundred twenty-eight thousand, two hundred forty-two".