30647296 has 33 divisors (see below), whose sum is σ = 61620841. Its totient is φ = 15235072.

The previous prime is 30647291. The next prime is 30647297. The reversal of 30647296 is 69274603.

The square root of 30647296 is 5536.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 27878400 + 2768896 = 5280^2 + 1664^2 .

It is a super-2 number, since 2×30647296² = 1878513504223232, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30647291) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 177066 + ... + 177238.

Almost surely, 2^30647296 is an apocalyptic number.

30647296 is the 5536-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30647296

30647296 is an abundant number, since it is smaller than the sum of its proper divisors (30973545).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30647296 is an frugal number, since it uses more digits than its factorization.

30647296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The cubic root of 30647296 is about 312.9421444781.

The spelling of 30647296 in words is "thirty million, six hundred forty-seven thousand, two hundred ninety-six".