47144719 has 8 divisors (see below), whose sum is σ = 50563440. Its totient is φ = 43819776.

The previous prime is 47144693. The next prime is 47144729. The reversal of 47144719 is 91744174.

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

It is not a de Polignac number, because 47144719 - 2¹¹ = 47142671 is a prime.

It is a super-2 number, since 2×47144719² = 4445249059177922, 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 (47144729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22402 + ... + 24415.

It is an arithmetic number, because the mean of its divisors is an integer number (6320430).

Almost surely, 2^47144719 is an apocalyptic number.

47144719 is a deficient number, since it is larger than the sum of its proper divisors (3418721).

47144719 is a wasteful number, since it uses less digits than its factorization.

47144719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46889.

The product of its digits is 28224, while the sum is 37.

The square root of 47144719 is about 6866.2012059071. The cubic root of 47144719 is about 361.2526296987.

The spelling of 47144719 in words is "forty-seven million, one hundred forty-four thousand, seven hundred nineteen".