673619 has 2 divisors, whose sum is σ = 673620. Its totient is φ = 673618.

The previous prime is 673613. The next prime is 673637. The reversal of 673619 is 916376.

673619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673619 is a prime.

It is a super-2 number, since 2×673619² = 907525114322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (673613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336809 + 336810.

It is an arithmetic number, because the mean of its divisors is an integer number (336810).

2⁶⁷³⁶¹⁹ is an apocalyptic number.

673619 is a deficient number, since it is larger than the sum of its proper divisors (1).

673619 is an equidigital number, since it uses as much as digits as its factorization.

673619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 32.

The square root of 673619 is about 820.7429561075. The cubic root of 673619 is about 87.6606680650.

The spelling of 673619 in words is "six hundred seventy-three thousand, six hundred nineteen".