673723808 has 24 divisors (see below), whose sum is σ = 1358747460. Its totient is φ = 328645120.

The previous prime is 673723783. The next prime is 673723819. The reversal of 673723808 is 808327376.

It can be written as a sum of positive squares in 2 ways, for example, as 673298704 + 425104 = 25948^2 + 652^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255443 + ... + 258066.

Almost surely, 2^673723808 is an apocalyptic number.

It is an amenable number.

673723808 is an abundant number, since it is smaller than the sum of its proper divisors (685023652).

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

673723808 is a wasteful number, since it uses less digits than its factorization.

673723808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513560 (or 513552 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 673723808 is about 25956.1901672799. The cubic root of 673723808 is about 876.6521418718.

It can be divided in two parts, 67 and 3723808, that added together give a cube (3723875 = 155³).

The spelling of 673723808 in words is "six hundred seventy-three million, seven hundred twenty-three thousand, eight hundred eight".