30664243 has 8 divisors (see below), whose sum is σ = 32547312. Its totient is φ = 28790016.

The previous prime is 30664237. The next prime is 30664259. The reversal of 30664243 is 34246603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30664243 - 2⁵ = 30664211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30664213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5796 + ... + 9742.

It is an arithmetic number, because the mean of its divisors is an integer number (4068414).

Almost surely, 2^30664243 is an apocalyptic number.

30664243 is a deficient number, since it is larger than the sum of its proper divisors (1883069).

30664243 is a wasteful number, since it uses less digits than its factorization.

30664243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 30664243 is about 5537.5304062371. The cubic root of 30664243 is about 312.9998162683. Note that the first 3 decimals are identical.

The spelling of 30664243 in words is "thirty million, six hundred sixty-four thousand, two hundred forty-three".