773666142 has 32 divisors (see below), whose sum is σ = 1569054240. Its totient is φ = 254284800.

The previous prime is 773666137. The next prime is 773666221. The reversal of 773666142 is 241666377.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 773666094 and 773666103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212328 + ... + 215940.

It is an arithmetic number, because the mean of its divisors is an integer number (49032945).

Almost surely, 2^773666142 is an apocalyptic number.

773666142 is an abundant number, since it is smaller than the sum of its proper divisors (795388098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

773666142 is a wasteful number, since it uses less digits than its factorization.

773666142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108.

The product of its digits is 254016, while the sum is 42.

The square root of 773666142 is about 27814.8547003216. The cubic root of 773666142 is about 918.0180007957.

The spelling of 773666142 in words is "seven hundred seventy-three million, six hundred sixty-six thousand, one hundred forty-two".