67326728 has 32 divisors (see below), whose sum is σ = 151867200. Its totient is φ = 27335232.

The previous prime is 67326713. The next prime is 67326731. The reversal of 67326728 is 82762376.

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, 30575 + ... + 32702.

It is an arithmetic number, because the mean of its divisors is an integer number (4745850).

Almost surely, 2^67326728 is an apocalyptic number.

It is an amenable number.

67326728 is an abundant number, since it is smaller than the sum of its proper divisors (84540472).

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

67326728 is a wasteful number, since it uses less digits than its factorization.

67326728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63309 (or 63305 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The square root of 67326728 is about 8205.2865885355. The cubic root of 67326728 is about 406.8139494589.

The spelling of 67326728 in words is "sixty-seven million, three hundred twenty-six thousand, seven hundred twenty-eight".