30664955 has 16 divisors (see below), whose sum is σ = 39398400. Its totient is φ = 22842720.

The previous prime is 30664951. The next prime is 30664961. The reversal of 30664955 is 55946603.

It is not a de Polignac number, because 30664955 - 2² = 30664951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30664951) 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 15 ways as a sum of consecutive naturals, for example, 2870 + ... + 8340.

It is an arithmetic number, because the mean of its divisors is an integer number (2462400).

Almost surely, 2^30664955 is an apocalyptic number.

30664955 is a deficient number, since it is larger than the sum of its proper divisors (8733445).

30664955 is a wasteful number, since it uses less digits than its factorization.

30664955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5554.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 30664955 is about 5537.5946944499. The cubic root of 30664955 is about 313.0022387874.

The spelling of 30664955 in words is "thirty million, six hundred sixty-four thousand, nine hundred fifty-five".