673587712 has 60 divisors (see below), whose sum is σ = 1565650350. Its totient is φ = 288669696.

The previous prime is 673587709. The next prime is 673587713. The reversal of 673587712 is 217785376.

It can be written as a sum of positive squares in only one way, i.e., 623800576 + 49787136 = 24976^2 + 7056^2 .

It is not an unprimeable number, because it can be changed into a prime (673587713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11664 + ... + 38512.

Almost surely, 2^673587712 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 673587712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782825175).

673587712 is an abundant number, since it is smaller than the sum of its proper divisors (892062638).

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

673587712 is an equidigital number, since it uses as much as digits as its factorization.

673587712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26881 (or 26858 counting only the distinct ones).

The product of its digits is 493920, while the sum is 46.

The square root of 673587712 is about 25953.5683866400. The cubic root of 673587712 is about 876.5931083415.

The spelling of 673587712 in words is "six hundred seventy-three million, five hundred eighty-seven thousand, seven hundred twelve".