673719606 has 80 divisors (see below), whose sum is σ = 1772032416. Its totient is φ = 187277184.

The previous prime is 673719547. The next prime is 673719617. The reversal of 673719606 is 606917376.

673719606 is a `hidden beast` number, since 6 + 7 + 37 + 1 + 9 + 606 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 33930 + ... + 49986.

Almost surely, 2^673719606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673719606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886016208).

673719606 is an abundant number, since it is smaller than the sum of its proper divisors (1098312810).

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

673719606 is a wasteful number, since it uses less digits than its factorization.

673719606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16115 (or 16106 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 673719606 is about 25956.1092230712. The cubic root of 673719606 is about 876.6503193149.

The spelling of 673719606 in words is "six hundred seventy-three million, seven hundred nineteen thousand, six hundred six".