76942642 has 12 divisors (see below), whose sum is σ = 134257230. Its totient is φ = 32975376.

The previous prime is 76942633. The next prime is 76942681. The reversal of 76942642 is 24624967.

It can be written as a sum of positive squares in only one way, i.e., 73290721 + 3651921 = 8561^2 + 1911^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76942595 and 76942604.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 392467 + ... + 392662.

Almost surely, 2^76942642 is an apocalyptic number.

76942642 is a deficient number, since it is larger than the sum of its proper divisors (57314588).

76942642 is a wasteful number, since it uses less digits than its factorization.

76942642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785145 (or 785138 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 76942642 is about 8771.6955031510. The cubic root of 76942642 is about 425.3264241946.

The spelling of 76942642 in words is "seventy-six million, nine hundred forty-two thousand, six hundred forty-two".