30073252406 has 4 divisors (see below), whose sum is σ = 45109878612. Its totient is φ = 15036626202.

The previous prime is 30073252393. The next prime is 30073252423. The reversal of 30073252406 is 60425237003.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 7518313100 + ... + 7518313103.

It is an arithmetic number, because the mean of its divisors is an integer number (11277469653).

Almost surely, 2^30073252406 is an apocalyptic number.

30073252406 is a deficient number, since it is larger than the sum of its proper divisors (15036626206).

30073252406 is a wasteful number, since it uses less digits than its factorization.

30073252406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15036626205.

The product of its (nonzero) digits is 30240, while the sum is 32.

Adding to 30073252406 its reverse (60425237003), we get a palindrome (90498489409).

The spelling of 30073252406 in words is "thirty billion, seventy-three million, two hundred fifty-two thousand, four hundred six".