30942734 has 4 divisors (see below), whose sum is σ = 46414104. Its totient is φ = 15471366.

The previous prime is 30942733. The next prime is 30942749. The reversal of 30942734 is 43724903.

30942734 is nontrivially palindromic in base 14.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30942734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30942733) 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 as a sum of consecutive naturals, namely, 7735682 + ... + 7735685.

It is an arithmetic number, because the mean of its divisors is an integer number (11603526).

Almost surely, 2^30942734 is an apocalyptic number.

30942734 is a deficient number, since it is larger than the sum of its proper divisors (15471370).

30942734 is a wasteful number, since it uses less digits than its factorization.

30942734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15471369.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 30942734 is about 5562.6193470343. The cubic root of 30942734 is about 313.9445112708.

The spelling of 30942734 in words is "thirty million, nine hundred forty-two thousand, seven hundred thirty-four".