47382761 has 2 divisors, whose sum is σ = 47382762. Its totient is φ = 47382760.

The previous prime is 47382733. The next prime is 47382779. The reversal of 47382761 is 16728374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46240000 + 1142761 = 6800^2 + 1069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47382761 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47382701) 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, 23691380 + 23691381.

It is an arithmetic number, because the mean of its divisors is an integer number (23691381).

Almost surely, 2^47382761 is an apocalyptic number.

It is an amenable number.

47382761 is a deficient number, since it is larger than the sum of its proper divisors (1).

47382761 is an equidigital number, since it uses as much as digits as its factorization.

47382761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 38.

The square root of 47382761 is about 6883.5137103081. The cubic root of 47382761 is about 361.8596186549.

The spelling of 47382761 in words is "forty-seven million, three hundred eighty-two thousand, seven hundred sixty-one".