47272719 has 8 divisors (see below), whose sum is σ = 67878832. Its totient is φ = 29090880.

The previous prime is 47272681. The next prime is 47272739. The reversal of 47272719 is 91727274.

47272719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47272719 - 2⁷ = 47272591 is a prime.

It is a super-2 number, since 2×47272719² = 4469419923305922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1212121 = 47272719 / (4 + 7 + 2 + 7 + 2 + 7 + 1 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47272739) by changing a digit.

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, 606022 + ... + 606099.

It is an arithmetic number, because the mean of its divisors is an integer number (8484854).

Almost surely, 2^47272719 is an apocalyptic number.

47272719 is a deficient number, since it is larger than the sum of its proper divisors (20606113).

47272719 is a wasteful number, since it uses less digits than its factorization.

47272719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212137.

The product of its digits is 49392, while the sum is 39.

The square root of 47272719 is about 6875.5159079156. The cubic root of 47272719 is about 361.5792732225.

47272719 divided by its sum of digits (39) gives a palindrome (1212121).

The spelling of 47272719 in words is "forty-seven million, two hundred seventy-two thousand, seven hundred nineteen".