76214729 has 2 divisors, whose sum is σ = 76214730. Its totient is φ = 76214728.

The previous prime is 76214687. The next prime is 76214731. The reversal of 76214729 is 92741267.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68641225 + 7573504 = 8285^2 + 2752^2 .

It is a cyclic number.

It is not a de Polignac number, because 76214729 - 2¹² = 76210633 is a prime.

Together with 76214731, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 76214692 and 76214701.

It is not a weakly prime, because it can be changed into another prime (76214779) 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, 38107364 + 38107365.

It is an arithmetic number, because the mean of its divisors is an integer number (38107365).

Almost surely, 2^76214729 is an apocalyptic number.

It is an amenable number.

76214729 is a deficient number, since it is larger than the sum of its proper divisors (1).

76214729 is an equidigital number, since it uses as much as digits as its factorization.

76214729 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 76214729 is about 8730.1047530943. The cubic root of 76214729 is about 423.9809105711.

The spelling of 76214729 in words is "seventy-six million, two hundred fourteen thousand, seven hundred twenty-nine".