673671544 has 32 divisors (see below), whose sum is σ = 1554628320. Its totient is φ = 266507136.

The previous prime is 673671517. The next prime is 673671601. The reversal of 673671544 is 445176376.

It is a self number, because there is not a number n which added to its sum of digits gives 673671544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461959 + ... + 463414.

It is an arithmetic number, because the mean of its divisors is an integer number (48582135).

Almost surely, 2^673671544 is an apocalyptic number.

It is an amenable number.

673671544 is an abundant number, since it is smaller than the sum of its proper divisors (880956776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673671544 is a wasteful number, since it uses less digits than its factorization.

673671544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925399 (or 925395 counting only the distinct ones).

The product of its digits is 423360, while the sum is 43.

The square root of 673671544 is about 25955.1833744245. The cubic root of 673671544 is about 876.6294725763.

The spelling of 673671544 in words is "six hundred seventy-three million, six hundred seventy-one thousand, five hundred forty-four".