30672016 has 10 divisors (see below), whose sum is σ = 59427062. Its totient is φ = 15336000.

The previous prime is 30672007. The next prime is 30672017. The reversal of 30672016 is 61027603.

It can be written as a sum of positive squares in only one way, i.e., 28047616 + 2624400 = 5296^2 + 1620^2 .

It is not an unprimeable number, because it can be changed into a prime (30672017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958485 + ... + 958516.

Almost surely, 2^30672016 is an apocalyptic number.

It is an amenable number.

30672016 is a deficient number, since it is larger than the sum of its proper divisors (28755046).

30672016 is a wasteful number, since it uses less digits than its factorization.

30672016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917009 (or 1917003 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 30672016 is about 5538.2322089273. The cubic root of 30672016 is about 313.0262612064.

Adding to 30672016 its reverse (61027603), we get a palindrome (91699619).

The spelling of 30672016 in words is "thirty million, six hundred seventy-two thousand, sixteen".