30402034 has 32 divisors (see below), whose sum is σ = 51715440. Its totient is φ = 13305600.

The previous prime is 30402023. The next prime is 30402077. The reversal of 30402034 is 43020403.

It can be written as a sum of positive squares in 8 ways, for example, as 5929225 + 24472809 = 2435^2 + 4947^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30401999 and 30402017.

It is an unprimeable number.

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, 45664 + ... + 46324.

Almost surely, 2^30402034 is an apocalyptic number.

30402034 is a deficient number, since it is larger than the sum of its proper divisors (21313406).

30402034 is a wasteful number, since it uses less digits than its factorization.

30402034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 30402034 is about 5513.8039500875. The cubic root of 30402034 is about 312.1051105964.

Adding to 30402034 its reverse (43020403), we get a palindrome (73422437).

The spelling of 30402034 in words is "thirty million, four hundred two thousand, thirty-four".