673052378 has 8 divisors (see below), whose sum is σ = 1009758420. Its totient is φ = 336466240.

The previous prime is 673052323. The next prime is 673052449. The reversal of 673052378 is 873250376.

It can be written as a sum of positive squares in 2 ways, for example, as 658589569 + 14462809 = 25663^2 + 3803^2 .

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, 14303 + ... + 39378.

Almost surely, 2^673052378 is an apocalyptic number.

673052378 is a deficient number, since it is larger than the sum of its proper divisors (336706042).

673052378 is a wasteful number, since it uses less digits than its factorization.

673052378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59952.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 673052378 is about 25943.2530342669. The cubic root of 673052378 is about 876.3608225980.

The spelling of 673052378 in words is "six hundred seventy-three million, fifty-two thousand, three hundred seventy-eight".