30704272 has 20 divisors (see below), whose sum is σ = 61541820. Its totient is φ = 14822528.

The previous prime is 30704269. The next prime is 30704299. The reversal of 30704272 is 27240703.

It can be written as a sum of positive squares in 2 ways, for example, as 7817616 + 22886656 = 2796^2 + 4784^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32623 + ... + 33550.

It is an arithmetic number, because the mean of its divisors is an integer number (3077091).

Almost surely, 2^30704272 is an apocalyptic number.

It is an amenable number.

30704272 is an abundant number, since it is smaller than the sum of its proper divisors (30837548).

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

30704272 is a wasteful number, since it uses less digits than its factorization.

30704272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66210 (or 66204 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 30704272 is about 5541.1435642835. The cubic root of 30704272 is about 313.1359533514.

Adding to 30704272 its reverse (27240703), we get a palindrome (57944975).

It can be divided in two parts, 30704 and 272, that added together give a square (30976 = 176²).

The spelling of 30704272 in words is "thirty million, seven hundred four thousand, two hundred seventy-two".