67380432 has 80 divisors (see below), whose sum is σ = 207605760. Its totient is φ = 18412416.

The previous prime is 67380413. The next prime is 67380457. The reversal of 67380432 is 23408376.

It is a junction number, because it is equal to n+sod(n) for n = 67380393 and 67380402.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3369 + ... + 12087.

It is an arithmetic number, because the mean of its divisors is an integer number (2595072).

Almost surely, 2^67380432 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 67380432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103802880).

67380432 is an abundant number, since it is smaller than the sum of its proper divisors (140225328).

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

67380432 is a wasteful number, since it uses less digits than its factorization.

67380432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8760 (or 8754 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 67380432 is about 8208.5584605337. The cubic root of 67380432 is about 406.9220874430.

The spelling of 67380432 in words is "sixty-seven million, three hundred eighty thousand, four hundred thirty-two".