30668434 has 4 divisors (see below), whose sum is σ = 46002654. Its totient is φ = 15334216.

The previous prime is 30668423. The next prime is 30668437. The reversal of 30668434 is 43486603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43486603 = 1481 ⋅29363.

It can be written as a sum of positive squares in only one way, i.e., 24651225 + 6017209 = 4965^2 + 2453^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30668434.

It is not an unprimeable number, because it can be changed into a prime (30668437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7667107 + ... + 7667110.

Almost surely, 2^30668434 is an apocalyptic number.

30668434 is a deficient number, since it is larger than the sum of its proper divisors (15334220).

30668434 is a wasteful number, since it uses less digits than its factorization.

30668434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15334219.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 30668434 is about 5537.9088110947. The cubic root of 30668434 is about 313.0140752482.

The spelling of 30668434 in words is "thirty million, six hundred sixty-eight thousand, four hundred thirty-four".