47272911 has 16 divisors (see below), whose sum is σ = 72300288. Its totient is φ = 26913600.

The previous prime is 47272909. The next prime is 47272919. The reversal of 47272911 is 11927274.

It is not a de Polignac number, because 47272911 - 2¹ = 47272909 is a prime.

It is a super-2 number, since 2×47272911² = 4469456228827842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47272919) 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, 1896 + ... + 9906.

It is an arithmetic number, because the mean of its divisors is an integer number (4518768).

Almost surely, 2^47272911 is an apocalyptic number.

47272911 is a deficient number, since it is larger than the sum of its proper divisors (25027377).

47272911 is a wasteful number, since it uses less digits than its factorization.

47272911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8302.

The product of its digits is 7056, while the sum is 33.

The square root of 47272911 is about 6875.5298704900. The cubic root of 47272911 is about 361.5797627446.

The spelling of 47272911 in words is "forty-seven million, two hundred seventy-two thousand, nine hundred eleven".