30736272 has 80 divisors (see below), whose sum is σ = 96100992. Its totient is φ = 8263680.

The previous prime is 30736267. The next prime is 30736273. The reversal of 30736272 is 27263703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30736273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3022 + ... + 8402.

Almost surely, 2^30736272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30736272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48050496).

30736272 is an abundant number, since it is smaller than the sum of its proper divisors (65364720).

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

30736272 is a wasteful number, since it uses less digits than its factorization.

30736272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416 (or 5410 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 30736272 is about 5544.0303029475. The cubic root of 30736272 is about 313.2446990383.

Adding to 30736272 its reverse (27263703), we get a palindrome (57999975).

The spelling of 30736272 in words is "thirty million, seven hundred thirty-six thousand, two hundred seventy-two".