47752769 has 2 divisors, whose sum is σ = 47752770. Its totient is φ = 47752768.

The previous prime is 47752759. The next prime is 47752787. The reversal of 47752769 is 96725774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35760400 + 11992369 = 5980^2 + 3463^2 .

It is a cyclic number.

It is not a de Polignac number, because 47752769 - 2⁴ = 47752753 is a prime.

It is a super-2 number, since 2×47752769² = 4560653894334722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47752729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23876384 + 23876385.

It is an arithmetic number, because the mean of its divisors is an integer number (23876385).

Almost surely, 2^47752769 is an apocalyptic number.

It is an amenable number.

47752769 is a deficient number, since it is larger than the sum of its proper divisors (1).

47752769 is an equidigital number, since it uses as much as digits as its factorization.

47752769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 740880, while the sum is 47.

The square root of 47752769 is about 6910.3378354463. The cubic root of 47752769 is about 362.7990879238.

The spelling of 47752769 in words is "forty-seven million, seven hundred fifty-two thousand, seven hundred sixty-nine".