47229719 has 12 divisors (see below), whose sum is σ = 49542480. Its totient is φ = 45017280.

The previous prime is 47229703. The next prime is 47229733. The reversal of 47229719 is 91792274.

47229719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47229719 - 2⁴ = 47229703 is a prime.

It is a super-2 number, since 2×47229719² = 4461292713637922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47229769) 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 11 ways as a sum of consecutive naturals, for example, 74534 + ... + 75164.

It is an arithmetic number, because the mean of its divisors is an integer number (4128540).

Almost surely, 2^47229719 is an apocalyptic number.

47229719 is a deficient number, since it is larger than the sum of its proper divisors (2312761).

47229719 is an equidigital number, since it uses as much as digits as its factorization.

47229719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 749 counting only the distinct ones).

The product of its digits is 63504, while the sum is 41.

The square root of 47229719 is about 6872.3881584206. The cubic root of 47229719 is about 361.4696072554.

It can be divided in two parts, 4722 and 9719, that added together give a palindrome (14441).

The spelling of 47229719 in words is "forty-seven million, two hundred twenty-nine thousand, seven hundred nineteen".