673555361 has 8 divisors (see below), whose sum is σ = 677924544. Its totient is φ = 669200400.

The previous prime is 673555357. The next prime is 673555369. The reversal of 673555361 is 163555376.

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 673555361 - 2² = 673555357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673555369) 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, 101186 + ... + 107636.

It is an arithmetic number, because the mean of its divisors is an integer number (84740568).

Almost surely, 2^673555361 is an apocalyptic number.

It is an amenable number.

673555361 is a deficient number, since it is larger than the sum of its proper divisors (4369183).

673555361 is a wasteful number, since it uses less digits than its factorization.

673555361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7111.

The product of its digits is 283500, while the sum is 41.

The square root of 673555361 is about 25952.9451315260. The cubic root of 673555361 is about 876.5790744762.

The spelling of 673555361 in words is "six hundred seventy-three million, five hundred fifty-five thousand, three hundred sixty-one".