30664534 has 8 divisors (see below), whose sum is σ = 46419120. Its totient is φ = 15191496.

The previous prime is 30664489. The next prime is 30664541. The reversal of 30664534 is 43546603.

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

It is a junction number, because it is equal to n+sod(n) for n = 30664496 and 30664505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70114 + ... + 70549.

It is an arithmetic number, because the mean of its divisors is an integer number (5802390).

Almost surely, 2^30664534 is an apocalyptic number.

30664534 is a deficient number, since it is larger than the sum of its proper divisors (15754586).

30664534 is a wasteful number, since it uses less digits than its factorization.

30664534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140774.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 30664534 is about 5537.5566814255. The cubic root of 30664534 is about 313.0008063755. Note that the first 3 decimals are identical.

The spelling of 30664534 in words is "thirty million, six hundred sixty-four thousand, five hundred thirty-four".