30306464 has 24 divisors (see below), whose sum is σ = 60263028. Its totient is φ = 15001600.

The previous prime is 30306439. The next prime is 30306467. The reversal of 30306464 is 46460303.

It can be written as a sum of positive squares in 2 ways, for example, as 30162064 + 144400 = 5492^2 + 380^2 .

It is not an unprimeable number, because it can be changed into a prime (30306467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1457 + ... + 7920.

Almost surely, 2^30306464 is an apocalyptic number.

It is an amenable number.

30306464 is a deficient number, since it is larger than the sum of its proper divisors (29956564).

30306464 is a wasteful number, since it uses less digits than its factorization.

30306464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9488 (or 9480 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 30306464 is about 5505.1306978127. The cubic root of 30306464 is about 311.7777290450. Note that the first 4 decimals are identical.

Adding to 30306464 its reverse (46460303), we get a palindrome (76766767).

The spelling of 30306464 in words is "thirty million, three hundred six thousand, four hundred sixty-four".