67320936 has 64 divisors (see below), whose sum is σ = 187963200. Its totient is φ = 22325184.

The previous prime is 67320917. The next prime is 67320937. The reversal of 67320936 is 63902376.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 67320936.

It is not an unprimeable number, because it can be changed into a prime (67320937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48346 + ... + 49718.

It is an arithmetic number, because the mean of its divisors is an integer number (2936925).

Almost surely, 2^67320936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67320936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93981600).

67320936 is an abundant number, since it is smaller than the sum of its proper divisors (120642264).

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

67320936 is a wasteful number, since it uses less digits than its factorization.

67320936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615 (or 1605 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 67320936 is about 8204.9336377572. The cubic root of 67320936 is about 406.8022832948.

It can be divided in two parts, 673 and 20936, that added together give a square (21609 = 147²).

The spelling of 67320936 in words is "sixty-seven million, three hundred twenty thousand, nine hundred thirty-six".