67603 has 4 divisors (see below), whose sum is σ = 68680. Its totient is φ = 66528.

The previous prime is 67601. The next prime is 67607. The reversal of 67603 is 30676.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 67603 - 2¹ = 67601 is a prime.

It is a Duffinian number.

67603 is a modest number, since divided by 603 gives 67 as remainder.

It is not an unprimeable number, because it can be changed into a prime (67601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438 + ... + 571.

It is an arithmetic number, because the mean of its divisors is an integer number (17170).

2⁶⁷⁶⁰³ is an apocalyptic number.

67603 is a deficient number, since it is larger than the sum of its proper divisors (1077).

67603 is a wasteful number, since it uses less digits than its factorization.

67603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 67603 is about 260.0057691668. The cubic root of 67603 is about 40.7369637249.

It can be divided in two parts, 67 and 603, that multiplied together give a square (40401 = 201²).

The spelling of 67603 in words is "sixty-seven thousand, six hundred three".