30420602 has 8 divisors (see below), whose sum is σ = 45743700. Its totient is φ = 15172704.

The previous prime is 30420587. The next prime is 30420619. The reversal of 30420602 is 20602403.

It can be written as a sum of positive squares in 2 ways, for example, as 24314761 + 6105841 = 4931^2 + 2471^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17777 + ... + 19412.

Almost surely, 2^30420602 is an apocalyptic number.

30420602 is a deficient number, since it is larger than the sum of its proper divisors (15323098).

30420602 is a wasteful number, since it uses less digits than its factorization.

30420602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37600.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30420602 is about 5515.4874671238. The cubic root of 30420602 is about 312.1686369194.

The spelling of 30420602 in words is "thirty million, four hundred twenty thousand, six hundred two".