67660332 has 48 divisors (see below), whose sum is σ = 163289952. Its totient is φ = 21790720.

The previous prime is 67660331. The next prime is 67660339. The reversal of 67660332 is 23306676.

It is a junction number, because it is equal to n+sod(n) for n = 67660293 and 67660302.

It is not an unprimeable number, because it can be changed into a prime (67660331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54988 + ... + 56204.

It is an arithmetic number, because the mean of its divisors is an integer number (3401874).

Almost surely, 2^67660332 is an apocalyptic number.

It is an amenable number.

67660332 is an abundant number, since it is smaller than the sum of its proper divisors (95629620).

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

67660332 is a wasteful number, since it uses less digits than its factorization.

67660332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378 (or 1376 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 67660332 is about 8225.5900700193. The cubic root of 67660332 is about 407.4847638801.

The spelling of 67660332 in words is "sixty-seven million, six hundred sixty thousand, three hundred thirty-two".