76400017 has 2 divisors, whose sum is σ = 76400018. Its totient is φ = 76400016.

The previous prime is 76399991. The next prime is 76400053. The reversal of 76400017 is 71000467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69239041 + 7160976 = 8321^2 + 2676^2 .

It is an emirp because it is prime and its reverse (71000467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76400017 - 2¹⁹ = 75875729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76399964 and 76400000.

It is not a weakly prime, because it can be changed into another prime (76400417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38200008 + 38200009.

It is an arithmetic number, because the mean of its divisors is an integer number (38200009).

Almost surely, 2^76400017 is an apocalyptic number.

It is an amenable number.

76400017 is a deficient number, since it is larger than the sum of its proper divisors (1).

76400017 is an equidigital number, since it uses as much as digits as its factorization.

76400017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 76400017 is about 8740.7103258259. The cubic root of 76400017 is about 424.3242169099.

The spelling of 76400017 in words is "seventy-six million, four hundred thousand, seventeen".