67878332 has 12 divisors (see below), whose sum is σ = 118993560. Its totient is φ = 33880176.

The previous prime is 67878323. The next prime is 67878337. The reversal of 67878332 is 23387876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67878337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12107 + ... + 16802.

It is an arithmetic number, because the mean of its divisors is an integer number (9916130).

Almost surely, 2^67878332 is an apocalyptic number.

It is an amenable number.

67878332 is a deficient number, since it is larger than the sum of its proper divisors (51115228).

67878332 is a wasteful number, since it uses less digits than its factorization.

67878332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29500 (or 29498 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 67878332 is about 8238.8307422838. The cubic root of 67878332 is about 407.9219301477.

The spelling of 67878332 in words is "sixty-seven million, eight hundred seventy-eight thousand, three hundred thirty-two".