673580641 has 8 divisors (see below), whose sum is σ = 688302720. Its totient is φ = 658874928.

The previous prime is 673580603. The next prime is 673580653. The reversal of 673580641 is 146085376.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 673580641 - 2²⁵ = 640026209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673580594 and 673580603.

It is not an unprimeable number, because it can be changed into a prime (673587641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118435 + ... + 123991.

It is an arithmetic number, because the mean of its divisors is an integer number (86037840).

Almost surely, 2^673580641 is an apocalyptic number.

It is an amenable number.

673580641 is a deficient number, since it is larger than the sum of its proper divisors (14722079).

673580641 is a wasteful number, since it uses less digits than its factorization.

673580641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8183.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 673580641 is about 25953.4321622401. The cubic root of 673580641 is about 876.5900409798.

The spelling of 673580641 in words is "six hundred seventy-three million, five hundred eighty thousand, six hundred forty-one".