67941632 has 72 divisors (see below), whose sum is σ = 154526400. Its totient is φ = 29511680.

The previous prime is 67941631. The next prime is 67941661. The reversal of 67941632 is 23614976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67941631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64244 + ... + 65292.

It is an arithmetic number, because the mean of its divisors is an integer number (2146200).

Almost surely, 2^67941632 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 67941632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77263200).

67941632 is an abundant number, since it is smaller than the sum of its proper divisors (86584768).

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

67941632 is a wasteful number, since it uses less digits than its factorization.

67941632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099 (or 1085 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 67941632 is about 8242.6714116238. The cubic root of 67941632 is about 408.0486934066.

The spelling of 67941632 in words is "sixty-seven million, nine hundred forty-one thousand, six hundred thirty-two".