67650 has 48 divisors (see below), whose sum is σ = 187488. Its totient is φ = 16000.

The previous prime is 67631. The next prime is 67651. The reversal of 67650 is 5676.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 67650.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1630 + ... + 1670.

It is an arithmetic number, because the mean of its divisors is an integer number (3906).

2⁶⁷⁶⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93744).

67650 is an abundant number, since it is smaller than the sum of its proper divisors (119838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67650 is a wasteful number, since it uses less digits than its factorization.

67650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 67650 is about 260.0961360728. The cubic root of 67650 is about 40.7464021313.

It can be divided in two parts, 67 and 650, that added together give a palindrome (717).

The spelling of 67650 in words is "sixty-seven thousand, six hundred fifty".