76561105 has 8 divisors (see below), whose sum is σ = 91924200. Its totient is φ = 61214976.

The previous prime is 76561099. The next prime is 76561129. The reversal of 76561105 is 50116567.

It can be written as a sum of positive squares in 4 ways, for example, as 452929 + 76108176 = 673^2 + 8724^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76561105 - 2⁹ = 76560593 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10111 + ... + 15979.

It is an arithmetic number, because the mean of its divisors is an integer number (11490525).

Almost surely, 2^76561105 is an apocalyptic number.

It is an amenable number.

76561105 is a deficient number, since it is larger than the sum of its proper divisors (15363095).

76561105 is a wasteful number, since it uses less digits than its factorization.

76561105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8483.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 76561105 is about 8749.9202853512. The cubic root of 76561105 is about 424.6222340990.

The spelling of 76561105 in words is "seventy-six million, five hundred sixty-one thousand, one hundred five".