673781463 has 8 divisors (see below), whose sum is σ = 998194800. Its totient is φ = 449187624.

The previous prime is 673781443. The next prime is 673781489. The reversal of 673781463 is 364187376.

It is not a de Polignac number, because 673781463 - 2⁵ = 673781431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673781443) 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, 12477408 + ... + 12477461.

It is an arithmetic number, because the mean of its divisors is an integer number (124774350).

Almost surely, 2^673781463 is an apocalyptic number.

673781463 is a deficient number, since it is larger than the sum of its proper divisors (324413337).

673781463 is a wasteful number, since it uses less digits than its factorization.

673781463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24954878 (or 24954872 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 673781463 is about 25957.3007649101. The cubic root of 673781463 is about 876.6771481315.

The spelling of 673781463 in words is "six hundred seventy-three million, seven hundred eighty-one thousand, four hundred sixty-three".