673531455 has 16 divisors (see below), whose sum is σ = 1077972480. Its totient is φ = 359109408.

The previous prime is 673531447. The next prime is 673531457. The reversal of 673531455 is 554135376.

It is not a de Polignac number, because 673531455 - 2³ = 673531447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673531457) 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, 91606 + ... + 98684.

It is an arithmetic number, because the mean of its divisors is an integer number (67373280).

Almost surely, 2^673531455 is an apocalyptic number.

673531455 is a deficient number, since it is larger than the sum of its proper divisors (404441025).

673531455 is a wasteful number, since it uses less digits than its factorization.

673531455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13430.

The product of its digits is 189000, while the sum is 39.

The square root of 673531455 is about 25952.4845631396. The cubic root of 673531455 is about 876.5687037636.

The spelling of 673531455 in words is "six hundred seventy-three million, five hundred thirty-one thousand, four hundred fifty-five".