76471229 has 2 divisors, whose sum is σ = 76471230. Its totient is φ = 76471228.

The previous prime is 76471207. The next prime is 76471237. The reversal of 76471229 is 92217467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41306329 + 35164900 = 6427^2 + 5930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76471229 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 76471192 and 76471201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76471249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38235614 + 38235615.

It is an arithmetic number, because the mean of its divisors is an integer number (38235615).

Almost surely, 2^76471229 is an apocalyptic number.

It is an amenable number.

76471229 is a deficient number, since it is larger than the sum of its proper divisors (1).

76471229 is an equidigital number, since it uses as much as digits as its factorization.

76471229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 38.

The square root of 76471229 is about 8744.7829589990. The cubic root of 76471229 is about 424.4560126600.

The spelling of 76471229 in words is "seventy-six million, four hundred seventy-one thousand, two hundred twenty-nine".