47672239 has 2 divisors, whose sum is σ = 47672240. Its totient is φ = 47672238.

The previous prime is 47672237. The next prime is 47672249. The reversal of 47672239 is 93227674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47672239 - 2¹ = 47672237 is a prime.

Together with 47672237, it forms a pair of twin primes.

It is equal to p_2869636 and since 47672239 and 2869636 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 (47672231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23836119 + 23836120.

It is an arithmetic number, because the mean of its divisors is an integer number (23836120).

Almost surely, 2^47672239 is an apocalyptic number.

47672239 is a deficient number, since it is larger than the sum of its proper divisors (1).

47672239 is an equidigital number, since it uses as much as digits as its factorization.

47672239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 47672239 is about 6904.5085994588. The cubic root of 47672239 is about 362.5950323970.

The spelling of 47672239 in words is "forty-seven million, six hundred seventy-two thousand, two hundred thirty-nine".