76709693 has 2 divisors, whose sum is σ = 76709694. Its totient is φ = 76709692.

The previous prime is 76709681. The next prime is 76709713. The reversal of 76709693 is 39690767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50310649 + 26399044 = 7093^2 + 5138^2 .

It is a cyclic number.

It is not a de Polignac number, because 76709693 - 2⁶ = 76709629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76709093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38354846 + 38354847.

It is an arithmetic number, because the mean of its divisors is an integer number (38354847).

Almost surely, 2^76709693 is an apocalyptic number.

It is an amenable number.

76709693 is a deficient number, since it is larger than the sum of its proper divisors (1).

76709693 is an equidigital number, since it uses as much as digits as its factorization.

76709693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 428652, while the sum is 47.

The square root of 76709693 is about 8758.4069898584. The cubic root of 76709693 is about 424.8967555439.

The spelling of 76709693 in words is "seventy-six million, seven hundred nine thousand, six hundred ninety-three".