673603854 has 48 divisors (see below), whose sum is σ = 1692372864. Its totient is φ = 174960720.

The previous prime is 673603837. The next prime is 673603913. The reversal of 673603854 is 458306376.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61192 + ... + 71355.

It is an arithmetic number, because the mean of its divisors is an integer number (35257768).

Almost surely, 2^673603854 is an apocalyptic number.

673603854 is an abundant number, since it is smaller than the sum of its proper divisors (1018769010).

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

673603854 is a wasteful number, since it uses less digits than its factorization.

673603854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132581 (or 132570 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 673603854 is about 25953.8793632089. The cubic root of 673603854 is about 876.6001105738.

The spelling of 673603854 in words is "six hundred seventy-three million, six hundred three thousand, eight hundred fifty-four".