67908132 has 60 divisors (see below), whose sum is σ = 187983180. Its totient is φ = 21302784.

The previous prime is 67908131. The next prime is 67908161. The reversal of 67908132 is 23180976.

It can be written as a sum of positive squares in 2 ways, for example, as 19131876 + 48776256 = 4374^2 + 6984^2 .

It is a super-2 number, since 2×67908132² = 9223028783458848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67908131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 657 + ... + 11672.

It is an arithmetic number, because the mean of its divisors is an integer number (3133053).

Almost surely, 2^67908132 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 67908132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93991590).

67908132 is an abundant number, since it is smaller than the sum of its proper divisors (120075048).

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

67908132 is a wasteful number, since it uses less digits than its factorization.

67908132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12362 (or 12351 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 67908132 is about 8240.6390528890. The cubic root of 67908132 is about 407.9816168188.

The spelling of 67908132 in words is "sixty-seven million, nine hundred eight thousand, one hundred thirty-two".