673631593 has 8 divisors (see below), whose sum is σ = 690122048. Its totient is φ = 657178704.

The previous prime is 673631587. The next prime is 673631653. The reversal of 673631593 is 395136376.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673631593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673631503) 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, 28780 + ... + 46642.

It is an arithmetic number, because the mean of its divisors is an integer number (86265256).

Almost surely, 2^673631593 is an apocalyptic number.

It is an amenable number.

673631593 is a deficient number, since it is larger than the sum of its proper divisors (16490455).

673631593 is a wasteful number, since it uses less digits than its factorization.

673631593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18783.

The product of its digits is 306180, while the sum is 43.

The square root of 673631593 is about 25954.4137479543. The cubic root of 673631593 is about 876.6121432033.

The spelling of 673631593 in words is "six hundred seventy-three million, six hundred thirty-one thousand, five hundred ninety-three".