47472319 has 2 divisors, whose sum is σ = 47472320. Its totient is φ = 47472318.

The previous prime is 47472311. The next prime is 47472343. The reversal of 47472319 is 91327474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47472319 - 2³ = 47472311 is a prime.

It is a super-2 number, since 2×47472319² = 4507242142475522, which contains 22 as substring.

It is equal to p_2858338 and since 47472319 and 2858338 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47472311) 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 as a sum of consecutive naturals, namely, 23736159 + 23736160.

It is an arithmetic number, because the mean of its divisors is an integer number (23736160).

Almost surely, 2^47472319 is an apocalyptic number.

47472319 is a deficient number, since it is larger than the sum of its proper divisors (1).

47472319 is an equidigital number, since it uses as much as digits as its factorization.

47472319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 47472319 is about 6890.0158925796. The cubic root of 47472319 is about 362.0874583920.

The spelling of 47472319 in words is "forty-seven million, four hundred seventy-two thousand, three hundred nineteen".