67328980 has 12 divisors (see below), whose sum is σ = 141390900. Its totient is φ = 26931584.

The previous prime is 67328953. The next prime is 67328999. The reversal of 67328980 is 8982376.

It can be written as a sum of positive squares in 2 ways, for example, as 11048976 + 56280004 = 3324^2 + 7502^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683205 + ... + 1683244.

It is an arithmetic number, because the mean of its divisors is an integer number (11782575).

Almost surely, 2^67328980 is an apocalyptic number.

It is an amenable number.

67328980 is an abundant number, since it is smaller than the sum of its proper divisors (74061920).

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

67328980 is a wasteful number, since it uses less digits than its factorization.

67328980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366458 (or 3366456 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 67328980 is about 8205.4238159890. The cubic root of 67328980 is about 406.8184852247.

The spelling of 67328980 in words is "sixty-seven million, three hundred twenty-eight thousand, nine hundred eighty".