30668503 has 8 divisors (see below), whose sum is σ = 31976208. Its totient is φ = 29387904.

The previous prime is 30668497. The next prime is 30668507. The reversal of 30668503 is 30586603.

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 30668503 - 2⁹ = 30667991 is a prime.

It is a super-2 number, since 2×30668503² = 1881114152522018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30668507) 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, 4450 + ... + 9007.

It is an arithmetic number, because the mean of its divisors is an integer number (3997026).

Almost surely, 2^30668503 is an apocalyptic number.

30668503 is a deficient number, since it is larger than the sum of its proper divisors (1307705).

30668503 is a wasteful number, since it uses less digits than its factorization.

30668503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13553.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 30668503 is about 5537.9150408796. The cubic root of 30668503 is about 313.0143099950.

The spelling of 30668503 in words is "thirty million, six hundred sixty-eight thousand, five hundred three".