76431361 has 2 divisors, whose sum is σ = 76431362. Its totient is φ = 76431360.

The previous prime is 76431347. The next prime is 76431367. The reversal of 76431361 is 16313467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71301136 + 5130225 = 8444^2 + 2265^2 .

It is a cyclic number.

It is not a de Polignac number, because 76431361 - 2¹¹ = 76429313 is a prime.

It is not a weakly prime, because it can be changed into another prime (76431367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38215680 + 38215681.

It is an arithmetic number, because the mean of its divisors is an integer number (38215681).

It is a Proth number, since it is equal to 4665 ⋅ 2¹⁴ + 1 and 4665 < 2¹⁴.

Almost surely, 2^76431361 is an apocalyptic number.

It is an amenable number.

76431361 is a deficient number, since it is larger than the sum of its proper divisors (1).

76431361 is an equidigital number, since it uses as much as digits as its factorization.

76431361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 76431361 is about 8742.5031312548. The cubic root of 76431361 is about 424.3822369661.

The spelling of 76431361 in words is "seventy-six million, four hundred thirty-one thousand, three hundred sixty-one".