76768105 has 4 divisors (see below), whose sum is σ = 92121732. Its totient is φ = 61414480.

The previous prime is 76768103. The next prime is 76768117. The reversal of 76768105 is 50186767.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50186767 = 179 ⋅280373.

It can be written as a sum of positive squares in 2 ways, for example, as 58415449 + 18352656 = 7643^2 + 4284^2 .

It is not a de Polignac number, because 76768105 - 2¹ = 76768103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76768103) 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 in 3 ways as a sum of consecutive naturals, for example, 7676806 + ... + 7676815.

It is an arithmetic number, because the mean of its divisors is an integer number (23030433).

Almost surely, 2^76768105 is an apocalyptic number.

It is an amenable number.

76768105 is a deficient number, since it is larger than the sum of its proper divisors (15353627).

76768105 is a wasteful number, since it uses less digits than its factorization.

76768105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15353626.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 76768105 is about 8761.7409799651. The cubic root of 76768105 is about 425.0045766520.

The spelling of 76768105 in words is "seventy-six million, seven hundred sixty-eight thousand, one hundred five".