76704949 has 2 divisors, whose sum is σ = 76704950. Its totient is φ = 76704948.

The previous prime is 76704923. The next prime is 76704967. The reversal of 76704949 is 94940767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66096900 + 10608049 = 8130^2 + 3257^2 .

It is a cyclic number.

It is not a de Polignac number, because 76704949 - 2¹⁹ = 76180661 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 76704899 and 76704908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76705949) 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, 38352474 + 38352475.

It is an arithmetic number, because the mean of its divisors is an integer number (38352475).

Almost surely, 2^76704949 is an apocalyptic number.

It is an amenable number.

76704949 is a deficient number, since it is larger than the sum of its proper divisors (1).

76704949 is an equidigital number, since it uses as much as digits as its factorization.

76704949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 76704949 is about 8758.1361601656. The cubic root of 76704949 is about 424.8879963216.

The spelling of 76704949 in words is "seventy-six million, seven hundred four thousand, nine hundred forty-nine".