673344081 has 6 divisors (see below), whose sum is σ = 972608130. Its totient is φ = 448896048.

The previous prime is 673344079. The next prime is 673344151. The reversal of 673344081 is 180443376.

It can be written as a sum of positive squares in only one way, i.e., 548262225 + 125081856 = 23415^2 + 11184^2 .

It is not a de Polignac number, because 673344081 - 2¹ = 673344079 is a prime.

It is a super-2 number, since 2×673344081² = 906784502835469122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (673344071) 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 5 ways as a sum of consecutive naturals, for example, 37407996 + ... + 37408013.

It is an arithmetic number, because the mean of its divisors is an integer number (162101355).

Almost surely, 2^673344081 is an apocalyptic number.

It is an amenable number.

673344081 is a deficient number, since it is larger than the sum of its proper divisors (299264049).

673344081 is a wasteful number, since it uses less digits than its factorization.

673344081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74816015 (or 74816012 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 673344081 is about 25948.8743686504. The cubic root of 673344081 is about 876.4874101500.

The spelling of 673344081 in words is "six hundred seventy-three million, three hundred forty-four thousand, eighty-one".