67320504 has 64 divisors (see below), whose sum is σ = 187956000. Its totient is φ = 22325760.

The previous prime is 67320503. The next prime is 67320509. The reversal of 67320504 is 40502376.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67320503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48784 + ... + 50144.

Almost surely, 2^67320504 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 67320504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93978000).

67320504 is an abundant number, since it is smaller than the sum of its proper divisors (120635496).

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

67320504 is a wasteful number, since it uses less digits than its factorization.

67320504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 67320504 is about 8204.9073120907. The cubic root of 67320504 is about 406.8014131398.

The spelling of 67320504 in words is "sixty-seven million, three hundred twenty thousand, five hundred four".