673704148 has 24 divisors (see below), whose sum is σ = 1281332360. Its totient is φ = 308085120.

The previous prime is 673704137. The next prime is 673704193. The reversal of 673704148 is 841407376.

It can be written as a sum of positive squares in 4 ways, for example, as 5895184 + 667808964 = 2428^2 + 25842^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 673704148.

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, 53763 + ... + 65098.

Almost surely, 2^673704148 is an apocalyptic number.

It is an amenable number.

673704148 is a deficient number, since it is larger than the sum of its proper divisors (607628212).

673704148 is a wasteful number, since it uses less digits than its factorization.

673704148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118987 (or 118985 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 673704148 is about 25955.8114494616. The cubic root of 673704148 is about 876.6436145651.

The spelling of 673704148 in words is "six hundred seventy-three million, seven hundred four thousand, one hundred forty-eight".