76447361 has 2 divisors, whose sum is σ = 76447362. Its totient is φ = 76447360.

The previous prime is 76447339. The next prime is 76447367. The reversal of 76447361 is 16374467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42981136 + 33466225 = 6556^2 + 5785^2 .

It is a cyclic number.

It is not a de Polignac number, because 76447361 - 2⁶ = 76447297 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (76447367) 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, 38223680 + 38223681.

It is an arithmetic number, because the mean of its divisors is an integer number (38223681).

Almost surely, 2^76447361 is an apocalyptic number.

It is an amenable number.

76447361 is a deficient number, since it is larger than the sum of its proper divisors (1).

76447361 is an equidigital number, since it uses as much as digits as its factorization.

76447361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 38.

The square root of 76447361 is about 8743.4181531024. The cubic root of 76447361 is about 424.4118480313.

The spelling of 76447361 in words is "seventy-six million, four hundred forty-seven thousand, three hundred sixty-one".