30472307 has 8 divisors (see below), whose sum is σ = 31305120. Its totient is φ = 29643840.

The previous prime is 30472289. The next prime is 30472319. The reversal of 30472307 is 70327403.

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 30472307 - 2¹⁸ = 30210163 is a prime.

It is a super-2 number, since 2×30472307² = 1857122987804498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30472327) 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, 17153 + ... + 18845.

It is an arithmetic number, because the mean of its divisors is an integer number (3913140).

Almost surely, 2^30472307 is an apocalyptic number.

30472307 is a deficient number, since it is larger than the sum of its proper divisors (832813).

30472307 is a wasteful number, since it uses less digits than its factorization.

30472307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 30472307 is about 5520.1727328047. The cubic root of 30472307 is about 312.3453980870.

The spelling of 30472307 in words is "thirty million, four hundred seventy-two thousand, three hundred seven".