673204281 has 8 divisors (see below), whose sum is σ = 897725664. Its totient is φ = 448742880.

The previous prime is 673204271. The next prime is 673204291. The reversal of 673204281 is 182402376.

It is an interprime number because it is at equal distance from previous prime (673204271) and next prime (673204291).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 673204281 - 2¹⁹ = 672679993 is a prime.

It is a super-2 number, since 2×673204281² = 906408007913453922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (673204241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35221 + ... + 50861.

It is an arithmetic number, because the mean of its divisors is an integer number (112215708).

Almost surely, 2^673204281 is an apocalyptic number.

It is an amenable number.

673204281 is a deficient number, since it is larger than the sum of its proper divisors (224521383).

673204281 is a wasteful number, since it uses less digits than its factorization.

673204281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29991.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 673204281 is about 25946.1804703505. The cubic root of 673204281 is about 876.4267470485.

The spelling of 673204281 in words is "six hundred seventy-three million, two hundred four thousand, two hundred eighty-one".