673407340 has 48 divisors (see below), whose sum is σ = 1487388672. Its totient is φ = 255600576.

The previous prime is 673407283. The next prime is 673407353. The reversal of 673407340 is 43704376.

It is a junction number, because it is equal to n+sod(n) for n = 673407296 and 673407305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52657 + ... + 64183.

It is an arithmetic number, because the mean of its divisors is an integer number (30987264).

Almost surely, 2^673407340 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 673407340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743694336).

673407340 is an abundant number, since it is smaller than the sum of its proper divisors (813981332).

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

673407340 is a wasteful number, since it uses less digits than its factorization.

673407340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11686 (or 11684 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 673407340 is about 25950.0932560945. The cubic root of 673407340 is about 876.5148572272.

The spelling of 673407340 in words is "six hundred seventy-three million, four hundred seven thousand, three hundred forty".