76404105 has 12 divisors (see below), whose sum is σ = 132433860. Its totient is φ = 40748832.

The previous prime is 76404101. The next prime is 76404109. The reversal of 76404105 is 50140467.

76404105 is a `hidden beast` number, since 7 + 640 + 4 + 10 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (76404101) and next prime (76404109).

It can be written as a sum of positive squares in 2 ways, for example, as 16867449 + 59536656 = 4107^2 + 7716^2 .

It is not a de Polignac number, because 76404105 - 2² = 76404101 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76404101) 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 11 ways as a sum of consecutive naturals, for example, 848890 + ... + 848979.

It is an arithmetic number, because the mean of its divisors is an integer number (11036155).

Almost surely, 2^76404105 is an apocalyptic number.

It is an amenable number.

76404105 is a deficient number, since it is larger than the sum of its proper divisors (56029755).

76404105 is a wasteful number, since it uses less digits than its factorization.

76404105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697880 (or 1697877 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 76404105 is about 8740.9441709692. The cubic root of 76404105 is about 424.3317849993.

The spelling of 76404105 in words is "seventy-six million, four hundred four thousand, one hundred five".