67300728 has 32 divisors (see below), whose sum is σ = 183548160. Its totient is φ = 20394080.

The previous prime is 67300699. The next prime is 67300741. The reversal of 67300728 is 82700376.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 127200 + ... + 127727.

It is an arithmetic number, because the mean of its divisors is an integer number (5735880).

Almost surely, 2^67300728 is an apocalyptic number.

It is an amenable number.

67300728 is an abundant number, since it is smaller than the sum of its proper divisors (116247432).

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

67300728 is a wasteful number, since it uses less digits than its factorization.

67300728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254947 (or 254943 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 67300728 is about 8203.7020911293. The cubic root of 67300728 is about 406.7615753878.

The spelling of 67300728 in words is "sixty-seven million, three hundred thousand, seven hundred twenty-eight".