30953272 has 32 divisors (see below), whose sum is σ = 67586400. Its totient is φ = 13014144.

The previous prime is 30953267. The next prime is 30953287. The reversal of 30953272 is 27235903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2247 + ... + 8182.

It is an arithmetic number, because the mean of its divisors is an integer number (2112075).

Almost surely, 2^30953272 is an apocalyptic number.

It is an amenable number.

30953272 is an abundant number, since it is smaller than the sum of its proper divisors (36633128).

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

30953272 is a wasteful number, since it uses less digits than its factorization.

30953272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10495 (or 10491 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 30953272 is about 5563.5664820329. The cubic root of 30953272 is about 313.9801466886.

The spelling of 30953272 in words is "thirty million, nine hundred fifty-three thousand, two hundred seventy-two".