76976305 has 12 divisors (see below), whose sum is σ = 107452980. Its totient is φ = 52783584.

The previous prime is 76976269. The next prime is 76976309. The reversal of 76976305 is 50367967.

It can be written as a sum of positive squares in 2 ways, for example, as 19079424 + 57896881 = 4368^2 + 7609^2 .

It is not a de Polignac number, because 76976305 - 2¹⁷ = 76845233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76976309) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 156850 + ... + 157339.

It is an arithmetic number, because the mean of its divisors is an integer number (8954415).

Almost surely, 2^76976305 is an apocalyptic number.

It is an amenable number.

76976305 is a deficient number, since it is larger than the sum of its proper divisors (30476675).

76976305 is a wasteful number, since it uses less digits than its factorization.

76976305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314208 (or 314201 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 76976305 is about 8773.6141355772. The cubic root of 76976305 is about 425.3884430159.

The spelling of 76976305 in words is "seventy-six million, nine hundred seventy-six thousand, three hundred five".