673926678 has 24 divisors (see below), whose sum is σ = 1464372000. Its totient is φ = 223996464.

The previous prime is 673926667. The next prime is 673926697. The reversal of 673926678 is 876629376.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 47358 + ... + 59921.

It is an arithmetic number, because the mean of its divisors is an integer number (61015500).

Almost surely, 2^673926678 is an apocalyptic number.

673926678 is an abundant number, since it is smaller than the sum of its proper divisors (790445322).

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

673926678 is a wasteful number, since it uses less digits than its factorization.

673926678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107636 (or 107633 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 673926678 is about 25960.0978041301. The cubic root of 673926678 is about 876.7401247960.

The spelling of 673926678 in words is "six hundred seventy-three million, nine hundred twenty-six thousand, six hundred seventy-eight".