67131232 has 96 divisors (see below), whose sum is σ = 163114560. Its totient is φ = 26634240.

The previous prime is 67131223. The next prime is 67131263. The reversal of 67131232 is 23213176.

It is a junction number, because it is equal to n+sod(n) for n = 67131197 and 67131206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1100482 + ... + 1100542.

It is an arithmetic number, because the mean of its divisors is an integer number (1699110).

Almost surely, 2^67131232 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 67131232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81557280).

67131232 is an abundant number, since it is smaller than the sum of its proper divisors (95983328).

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

67131232 is an equidigital number, since it uses as much as digits as its factorization.

67131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 87 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 67131232 is about 8193.3651206327. The cubic root of 67131232 is about 406.4198137569.

The spelling of 67131232 in words is "sixty-seven million, one hundred thirty-one thousand, two hundred thirty-two".