67790 has 8 divisors (see below), whose sum is σ = 122040. Its totient is φ = 27112.

The previous prime is 67789. The next prime is 67801. The reversal of 67790 is 9776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3380 + ... + 3399.

It is an arithmetic number, because the mean of its divisors is an integer number (15255).

2⁶⁷⁷⁹⁰ is an apocalyptic number.

67790 is a deficient number, since it is larger than the sum of its proper divisors (54250).

67790 is a wasteful number, since it uses less digits than its factorization.

67790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6786.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 67790 is about 260.3651282334. The cubic root of 67790 is about 40.7744906542.

It can be divided in two parts, 677 and 90, that added together give a palindrome (767).

The spelling of 67790 in words is "sixty-seven thousand, seven hundred ninety".