67132420 has 24 divisors (see below), whose sum is σ = 141183000. Its totient is φ = 26813952.

The previous prime is 67132399. The next prime is 67132421. The reversal of 67132420 is 2423176.

It can be written as a sum of positive squares in 4 ways, for example, as 3356224 + 63776196 = 1832^2 + 7986^2 .

It is not an unprimeable number, because it can be changed into a prime (67132421) 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, 14556 + ... + 18604.

It is an arithmetic number, because the mean of its divisors is an integer number (5882625).

Almost surely, 2^67132420 is an apocalyptic number.

It is an amenable number.

67132420 is an abundant number, since it is smaller than the sum of its proper divisors (74050580).

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

67132420 is a wasteful number, since it uses less digits than its factorization.

67132420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4887 (or 4885 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 67132420 is about 8193.4376179965. The cubic root of 67132420 is about 406.4222111701.

Adding to 67132420 its reverse (2423176), we get a palindrome (69555596).

The spelling of 67132420 in words is "sixty-seven million, one hundred thirty-two thousand, four hundred twenty".