30768392 has 16 divisors (see below), whose sum is σ = 59033040. Its totient is φ = 15026256.

The previous prime is 30768383. The next prime is 30768401. The reversal of 30768392 is 29386703.

It is an interprime number because it is at equal distance from previous prime (30768383) and next prime (30768401).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44378 + ... + 45065.

It is an arithmetic number, because the mean of its divisors is an integer number (3689565).

Almost surely, 2^30768392 is an apocalyptic number.

It is an amenable number.

30768392 is a deficient number, since it is larger than the sum of its proper divisors (28264648).

30768392 is a wasteful number, since it uses less digits than its factorization.

30768392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89492 (or 89488 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 30768392 is about 5546.9263561003. The cubic root of 30768392 is about 313.3537766451.

The spelling of 30768392 in words is "thirty million, seven hundred sixty-eight thousand, three hundred ninety-two".