30072964 has 6 divisors (see below), whose sum is σ = 52627694. Its totient is φ = 15036480.

The previous prime is 30072947. The next prime is 30072979. The reversal of 30072964 is 46927003.

It can be written as a sum of positive squares in only one way, i.e., 24920064 + 5152900 = 4992^2 + 2270^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3759117 + ... + 3759124.

Almost surely, 2^30072964 is an apocalyptic number.

It is an amenable number.

30072964 is a deficient number, since it is larger than the sum of its proper divisors (22554730).

30072964 is a wasteful number, since it uses less digits than its factorization.

30072964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7518245 (or 7518243 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 30072964 is about 5483.8822015065. The cubic root of 30072964 is about 310.9749534390.

Adding to 30072964 its reverse (46927003), we get a palindrome (76999967).

The spelling of 30072964 in words is "thirty million, seventy-two thousand, nine hundred sixty-four".