76709273 has 2 divisors, whose sum is σ = 76709274. Its totient is φ = 76709272.

The previous prime is 76709231. The next prime is 76709293. The reversal of 76709273 is 37290767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64128064 + 12581209 = 8008^2 + 3547^2 .

It is an emirp because it is prime and its reverse (37290767) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76709273 - 2¹² = 76705177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 76709273.

It is not a weakly prime, because it can be changed into another prime (76709293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38354636 + 38354637.

It is an arithmetic number, because the mean of its divisors is an integer number (38354637).

Almost surely, 2^76709273 is an apocalyptic number.

It is an amenable number.

76709273 is a deficient number, since it is larger than the sum of its proper divisors (1).

76709273 is an equidigital number, since it uses as much as digits as its factorization.

76709273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 76709273 is about 8758.3830128626. The cubic root of 76709273 is about 424.8959800792.

The spelling of 76709273 in words is "seventy-six million, seven hundred nine thousand, two hundred seventy-three".