673320554 has 8 divisors (see below), whose sum is σ = 1010975040. Its totient is φ = 336328876.

The previous prime is 673320551. The next prime is 673320569. The reversal of 673320554 is 455023376.

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 (673320551) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 163154 + ... + 167229.

It is an arithmetic number, because the mean of its divisors is an integer number (126371880).

Almost surely, 2^673320554 is an apocalyptic number.

673320554 is a deficient number, since it is larger than the sum of its proper divisors (337654486).

673320554 is a wasteful number, since it uses less digits than its factorization.

673320554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331404.

The product of its (nonzero) digits is 75600, while the sum is 35.

The square root of 673320554 is about 25948.4210309606. The cubic root of 673320554 is about 876.4772017191.

The spelling of 673320554 in words is "six hundred seventy-three million, three hundred twenty thousand, five hundred fifty-four".