673888481 has 8 divisors (see below), whose sum is σ = 784689984. Its totient is φ = 566719920.

The previous prime is 673888471. The next prime is 673888489. The reversal of 673888481 is 184888376.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 673888481 - 2¹⁴ = 673872097 is a prime.

It is a super-2 number, since 2×673888481² = 908251369648974722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673888489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 907835 + ... + 908576.

It is an arithmetic number, because the mean of its divisors is an integer number (98086248).

Almost surely, 2^673888481 is an apocalyptic number.

It is an amenable number.

673888481 is a deficient number, since it is larger than the sum of its proper divisors (110801503).

673888481 is a wasteful number, since it uses less digits than its factorization.

673888481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816471.

The product of its digits is 2064384, while the sum is 53.

The square root of 673888481 is about 25959.3621069548. The cubic root of 673888481 is about 876.7235604444.

The spelling of 673888481 in words is "six hundred seventy-three million, eight hundred eighty-eight thousand, four hundred eighty-one".