673732 has 6 divisors (see below), whose sum is σ = 1179038. Its totient is φ = 336864.

The previous prime is 673669. The next prime is 673747. The reversal of 673732 is 237376.

It can be written as a sum of positive squares in only one way, i.e., 427716 + 246016 = 654^2 + 496^2 .

It is a d-powerful number, because it can be written as 6⁵ + 7⁵ + 7⁶ + 3³ + 3¹² + 2⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 673732.

It is an unprimeable number.

673732 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84213 + ... + 84220.

2⁶⁷³⁷³² is an apocalyptic number.

It is an amenable number.

673732 is a deficient number, since it is larger than the sum of its proper divisors (505306).

673732 is a wasteful number, since it uses less digits than its factorization.

673732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168437 (or 168435 counting only the distinct ones).

The product of its digits is 5292, while the sum is 28.

The square root of 673732 is about 820.8117932876. The cubic root of 673732 is about 87.6655695012.

The spelling of 673732 in words is "six hundred seventy-three thousand, seven hundred thirty-two".