67380400 has 30 divisors (see below), whose sum is σ = 161882372. Its totient is φ = 26952000.

The previous prime is 67380377. The next prime is 67380413. The reversal of 67380400 is 408376.

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 5 ways as a sum of consecutive naturals, for example, 83826 + ... + 84625.

Almost surely, 2^67380400 is an apocalyptic number.

It is an amenable number.

67380400 is an abundant number, since it is smaller than the sum of its proper divisors (94501972).

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

67380400 is a wasteful number, since it uses less digits than its factorization.

67380400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168469 (or 168458 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 67380400 is about 8208.5565113484. The cubic root of 67380400 is about 406.9220230252.

Adding to 67380400 its reverse (408376), we get a palindrome (67788776).

The spelling of 67380400 in words is "sixty-seven million, three hundred eighty thousand, four hundred".