673390378 has 8 divisors (see below), whose sum is σ = 1013376672. Its totient is φ = 335598156.

The previous prime is 673390373. The next prime is 673390379. The reversal of 673390378 is 873093376.

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

It is not an unprimeable number, because it can be changed into a prime (673390373) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 547750 + ... + 548977.

It is an arithmetic number, because the mean of its divisors is an integer number (126672084).

Almost surely, 2^673390378 is an apocalyptic number.

673390378 is a deficient number, since it is larger than the sum of its proper divisors (339986294).

673390378 is a wasteful number, since it uses less digits than its factorization.

673390378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097036.

The product of its (nonzero) digits is 571536, while the sum is 46.

The square root of 673390378 is about 25949.7664344017. The cubic root of 673390378 is about 876.5074978529.

The spelling of 673390378 in words is "six hundred seventy-three million, three hundred ninety thousand, three hundred seventy-eight".