67328520 has 64 divisors (see below), whose sum is σ = 230843520. Its totient is φ = 15389184.

The previous prime is 67328507. The next prime is 67328531. The reversal of 67328520 is 2582376.

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, 39237 + ... + 40916.

It is an arithmetic number, because the mean of its divisors is an integer number (3606930).

Almost surely, 2^67328520 is an apocalyptic number.

67328520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67328520 is an abundant number, since it is smaller than the sum of its proper divisors (163515000).

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

67328520 is a wasteful number, since it uses less digits than its factorization.

67328520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80174 (or 80170 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 67328520 is about 8205.3957857010. The cubic root of 67328520 is about 406.8175587443.

The spelling of 67328520 in words is "sixty-seven million, three hundred twenty-eight thousand, five hundred twenty".