673616 has 10 divisors (see below), whose sum is σ = 1305162. Its totient is φ = 336800.

The previous prime is 673613. The next prime is 673619. The reversal of 673616 is 616376.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (673613) and next prime (673619).

It can be written as a sum of positive squares in only one way, i.e., 633616 + 40000 = 796^2 + 200^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 673616.

It is not an unprimeable number, because it can be changed into a prime (673613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21035 + ... + 21066.

2⁶⁷³⁶¹⁶ is an apocalyptic number.

It is an amenable number.

673616 is a deficient number, since it is larger than the sum of its proper divisors (631546).

673616 is a wasteful number, since it uses less digits than its factorization.

673616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42109 (or 42103 counting only the distinct ones).

The product of its digits is 4536, while the sum is 29.

The square root of 673616 is about 820.7411284930. The cubic root of 673616 is about 87.6605379309.

The spelling of 673616 in words is "six hundred seventy-three thousand, six hundred sixteen".