1673778130 has 8 divisors (see below), whose sum is σ = 3012800652. Its totient is φ = 669511248.

The previous prime is 1673778059. The next prime is 1673778151. The reversal of 1673778130 is 318773761.

It can be written as a sum of positive squares in 2 ways, for example, as 1638387529 + 35390601 = 40477^2 + 5949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 83688897 + ... + 83688916.

Almost surely, 2^1673778130 is an apocalyptic number.

1673778130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1673778130 is a deficient number, since it is larger than the sum of its proper divisors (1339022522).

1673778130 is a wasteful number, since it uses less digits than its factorization.

1673778130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167377820.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 1673778130 is about 40911.8336181599. The cubic root of 1673778130 is about 1187.3150231544.

The spelling of 1673778130 in words is "one billion, six hundred seventy-three million, seven hundred seventy-eight thousand, one hundred thirty".