30768798 has 32 divisors (see below), whose sum is σ = 62668800. Its totient is φ = 10069920.

The previous prime is 30768791. The next prime is 30768823. The reversal of 30768798 is 89786703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30768791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113403 + ... + 113673.

It is an arithmetic number, because the mean of its divisors is an integer number (1958400).

Almost surely, 2^30768798 is an apocalyptic number.

30768798 is an abundant number, since it is smaller than the sum of its proper divisors (31900002).

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

30768798 is a wasteful number, since it uses less digits than its factorization.

30768798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 30768798 is about 5546.9629528238. The cubic root of 30768798 is about 313.3551549110.

The spelling of 30768798 in words is "thirty million, seven hundred sixty-eight thousand, seven hundred ninety-eight".