30068256 has 24 divisors (see below), whose sum is σ = 78929424. Its totient is φ = 10022720.

The previous prime is 30068251. The next prime is 30068281. The reversal of 30068256 is 65286003.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (30068251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156510 + ... + 156701.

It is an arithmetic number, because the mean of its divisors is an integer number (3288726).

Almost surely, 2^30068256 is an apocalyptic number.

It is an amenable number.

30068256 is an abundant number, since it is smaller than the sum of its proper divisors (48861168).

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

30068256 is a wasteful number, since it uses less digits than its factorization.

30068256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313224 (or 313216 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 30068256 is about 5483.4529267607. The cubic root of 30068256 is about 310.9587246153.

It can be divided in two parts, 300 and 68256, that multiplied together give a triangular number (20476800 = T₆₃₉₉).

The spelling of 30068256 in words is "thirty million, sixty-eight thousand, two hundred fifty-six".