67661132 has 24 divisors (see below), whose sum is σ = 147624960. Its totient is φ = 26361360.

The previous prime is 67661117. The next prime is 67661171. The reversal of 67661132 is 23116676.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109532 + ... + 110147.

It is an arithmetic number, because the mean of its divisors is an integer number (6151040).

Almost surely, 2^67661132 is an apocalyptic number.

It is an amenable number.

67661132 is an abundant number, since it is smaller than the sum of its proper divisors (79963828).

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

67661132 is a wasteful number, since it uses less digits than its factorization.

67661132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219701 (or 219699 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 67661132 is about 8225.6386986057. The cubic root of 67661132 is about 407.4863698754.

The spelling of 67661132 in words is "sixty-seven million, six hundred sixty-one thousand, one hundred thirty-two".