673676045 has 16 divisors (see below), whose sum is σ = 936914688. Its totient is φ = 455441280.

The previous prime is 673676041. The next prime is 673676053. The reversal of 673676045 is 540676376.

673676045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 673676045 - 2² = 673676041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673675987 and 673676005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673676041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133064 + ... + 138033.

It is an arithmetic number, because the mean of its divisors is an integer number (58557168).

Almost surely, 2^673676045 is an apocalyptic number.

It is an amenable number.

673676045 is a deficient number, since it is larger than the sum of its proper divisors (263238643).

673676045 is a wasteful number, since it uses less digits than its factorization.

673676045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271180.

The product of its (nonzero) digits is 635040, while the sum is 44.

The square root of 673676045 is about 25955.2700814305. The cubic root of 673676045 is about 876.6314249127.

The spelling of 673676045 in words is "six hundred seventy-three million, six hundred seventy-six thousand, forty-five".