30472305 has 8 divisors (see below), whose sum is σ = 48755712. Its totient is φ = 16251888.

The previous prime is 30472289. The next prime is 30472319. The reversal of 30472305 is 50327403.

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

It is not a de Polignac number, because 30472305 - 2⁴ = 30472289 is a prime.

It is a super-2 number, since 2×30472305² = 1857122744026050, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1015729 + ... + 1015758.

It is an arithmetic number, because the mean of its divisors is an integer number (6094464).

Almost surely, 2^30472305 is an apocalyptic number.

It is an amenable number.

30472305 is a deficient number, since it is larger than the sum of its proper divisors (18283407).

30472305 is a wasteful number, since it uses less digits than its factorization.

30472305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031495.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 30472305 is about 5520.1725516509. The cubic root of 30472305 is about 312.3453912536.

Adding to 30472305 its reverse (50327403), we get a palindrome (80799708).

The spelling of 30472305 in words is "thirty million, four hundred seventy-two thousand, three hundred five".