67320396 has 120 divisors (see below), whose sum is σ = 206898384. Its totient is φ = 18817920.

The previous prime is 67320389. The next prime is 67320419. The reversal of 67320396 is 69302376.

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 67320396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 45606 + ... + 47058.

Almost surely, 2^67320396 is an apocalyptic number.

67320396 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67320396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103449192).

67320396 is an abundant number, since it is smaller than the sum of its proper divisors (139577988).

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

67320396 is a wasteful number, since it uses less digits than its factorization.

67320396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493 (or 1482 counting only the distinct ones).

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

The square root of 67320396 is about 8204.9007306609. The cubic root of 67320396 is about 406.8011956004.

The spelling of 67320396 in words is "sixty-seven million, three hundred twenty thousand, three hundred ninety-six".