673954 has 4 divisors (see below), whose sum is σ = 1010934. Its totient is φ = 336976.

The previous prime is 673951. The next prime is 673961. The reversal of 673954 is 459376.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 603729 + 70225 = 777^2 + 265^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673951) 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 as a sum of consecutive naturals, namely, 168487 + ... + 168490.

2⁶⁷³⁹⁵⁴ is an apocalyptic number.

673954 is a deficient number, since it is larger than the sum of its proper divisors (336980).

673954 is a wasteful number, since it uses less digits than its factorization.

673954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336979.

The product of its digits is 22680, while the sum is 34.

The square root of 673954 is about 820.9470141245. The cubic root of 673954 is about 87.6751972756.

The spelling of 673954 in words is "six hundred seventy-three thousand, nine hundred fifty-four".