30768734 has 4 divisors (see below), whose sum is σ = 46153104. Its totient is φ = 15384366.

The previous prime is 30768713. The next prime is 30768743. The reversal of 30768734 is 43786703.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7692182 + ... + 7692185.

It is an arithmetic number, because the mean of its divisors is an integer number (11538276).

Almost surely, 2^30768734 is an apocalyptic number.

30768734 is a deficient number, since it is larger than the sum of its proper divisors (15384370).

30768734 is a wasteful number, since it uses less digits than its factorization.

30768734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15384369.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 30768734 is about 5546.9571838982. The cubic root of 30768734 is about 313.3549376482.

The spelling of 30768734 in words is "thirty million, seven hundred sixty-eight thousand, seven hundred thirty-four".