47230769 has 2 divisors, whose sum is σ = 47230770. Its totient is φ = 47230768.

The previous prime is 47230747. The next prime is 47230801. The reversal of 47230769 is 96703274.

47230769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32638369 + 14592400 = 5713^2 + 3820^2 .

It is a cyclic number.

It is not a de Polignac number, because 47230769 - 2¹⁶ = 47165233 is a prime.

It is a super-2 number, since 2×47230769² = 4461491080662722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (47230969) 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 as a sum of consecutive naturals, namely, 23615384 + 23615385.

It is an arithmetic number, because the mean of its divisors is an integer number (23615385).

Almost surely, 2^47230769 is an apocalyptic number.

It is an amenable number.

47230769 is a deficient number, since it is larger than the sum of its proper divisors (1).

47230769 is an equidigital number, since it uses as much as digits as its factorization.

47230769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 47230769 is about 6872.4645506543. The cubic root of 47230769 is about 361.4722859380.

The spelling of 47230769 in words is "forty-seven million, two hundred thirty thousand, seven hundred sixty-nine".