67305532 has 24 divisors (see below), whose sum is σ = 135511040. Its totient is φ = 28652400.

The previous prime is 67305529. The next prime is 67305569. The reversal of 67305532 is 23550376.

It is a junction number, because it is equal to n+sod(n) for n = 67305494 and 67305503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3732 + ... + 12187.

Almost surely, 2^67305532 is an apocalyptic number.

It is an amenable number.

67305532 is an abundant number, since it is smaller than the sum of its proper divisors (68205508).

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

67305532 is a wasteful number, since it uses less digits than its factorization.

67305532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16081 (or 16079 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 67305532 is about 8203.9948805445. The cubic root of 67305532 is about 406.7712535204.

The spelling of 67305532 in words is "sixty-seven million, three hundred five thousand, five hundred thirty-two".