67328940 has 72 divisors (see below), whose sum is σ = 219309552. Its totient is φ = 15388800.

The previous prime is 67328909. The next prime is 67328941. The reversal of 67328940 is 4982376.

It is not an unprimeable number, because it can be changed into a prime (67328941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8511 + ... + 14390.

It is an arithmetic number, because the mean of its divisors is an integer number (3045966).

Almost surely, 2^67328940 is an apocalyptic number.

67328940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67328940 is an abundant number, since it is smaller than the sum of its proper divisors (151980612).

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

67328940 is a wasteful number, since it uses less digits than its factorization.

67328940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22927 (or 22918 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 67328940 is about 8205.4213785765. The cubic root of 67328940 is about 406.8184046613.

The spelling of 67328940 in words is "sixty-seven million, three hundred twenty-eight thousand, nine hundred forty".