30664379 has 8 divisors (see below), whose sum is σ = 33346368. Its totient is φ = 28080000.

The previous prime is 30664343. The next prime is 30664391. The reversal of 30664379 is 97346603.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30664379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30664079) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 23747 + ... + 25004.

It is an arithmetic number, because the mean of its divisors is an integer number (4168296).

Almost surely, 2^30664379 is an apocalyptic number.

30664379 is a deficient number, since it is larger than the sum of its proper divisors (2681989).

30664379 is a wasteful number, since it uses less digits than its factorization.

30664379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48805.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 30664379 is about 5537.5426860657. The cubic root of 30664379 is about 313.0002789996. Note that the first 3 decimals are identical.

The spelling of 30664379 in words is "thirty million, six hundred sixty-four thousand, three hundred seventy-nine".