673898617 has 8 divisors (see below), whose sum is σ = 785888000. Its totient is φ = 577627092.

The previous prime is 673898609. The next prime is 673898627. The reversal of 673898617 is 716898376.

It is not a de Polignac number, because 673898617 - 2³ = 673898609 is a prime.

It is a super-3 number, since 3×673898617³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673898627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982017 + ... + 982702.

It is an arithmetic number, because the mean of its divisors is an integer number (98236000).

Almost surely, 2^673898617 is an apocalyptic number.

It is an amenable number.

673898617 is a deficient number, since it is larger than the sum of its proper divisors (111989383).

673898617 is an equidigital number, since it uses as much as digits as its factorization.

673898617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964740 (or 1964726 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 55.

The square root of 673898617 is about 25959.5573344385. The cubic root of 673898617 is about 876.7279560409.

The spelling of 673898617 in words is "six hundred seventy-three million, eight hundred ninety-eight thousand, six hundred seventeen".