673207936 has 64 divisors (see below), whose sum is σ = 1379448000. Its totient is φ = 327131136.

The previous prime is 673207921. The next prime is 673207963. The reversal of 673207936 is 639702376.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 673207892 and 673207901.

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, 732085 + ... + 733003.

It is an arithmetic number, because the mean of its divisors is an integer number (21553875).

Almost surely, 2^673207936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673207936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689724000).

673207936 is an abundant number, since it is smaller than the sum of its proper divisors (706240064).

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

673207936 is an equidigital number, since it uses as much as digits as its factorization.

673207936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 43.

The square root of 673207936 is about 25946.2509045141. The cubic root of 673207936 is about 876.4283331614.

The spelling of 673207936 in words is "six hundred seventy-three million, two hundred seven thousand, nine hundred thirty-six".