30472016 has 20 divisors (see below), whose sum is σ = 60636372. Its totient is φ = 14823936.

The previous prime is 30471983. The next prime is 30472031. The reversal of 30472016 is 61027403.

It can be written as a sum of positive squares in 2 ways, for example, as 16032016 + 14440000 = 4004^2 + 3800^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30471982 and 30472000.

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 in 3 ways as a sum of consecutive naturals, for example, 25145 + ... + 26328.

Almost surely, 2^30472016 is an apocalyptic number.

It is an amenable number.

30472016 is a deficient number, since it is larger than the sum of its proper divisors (30164356).

30472016 is a wasteful number, since it uses less digits than its factorization.

30472016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51518 (or 51512 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 30472016 is about 5520.1463748709. The cubic root of 30472016 is about 312.3444038203.

Adding to 30472016 its reverse (61027403), we get a palindrome (91499419).

The spelling of 30472016 in words is "thirty million, four hundred seventy-two thousand, sixteen".