76736305 has 4 divisors (see below), whose sum is σ = 92083572. Its totient is φ = 61389040.

The previous prime is 76736293. The next prime is 76736311. The reversal of 76736305 is 50363767.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50363767 = 23 ⋅2189729.

It can be written as a sum of positive squares in 2 ways, for example, as 22316176 + 54420129 = 4724^2 + 7377^2 .

It is not a de Polignac number, because 76736305 - 2⁵ = 76736273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 7673626 + ... + 7673635.

It is an arithmetic number, because the mean of its divisors is an integer number (23020893).

Almost surely, 2^76736305 is an apocalyptic number.

It is an amenable number.

76736305 is a deficient number, since it is larger than the sum of its proper divisors (15347267).

76736305 is a wasteful number, since it uses less digits than its factorization.

76736305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15347266.

The product of its (nonzero) digits is 79380, while the sum is 37.

The square root of 76736305 is about 8759.9260841630. The cubic root of 76736305 is about 424.9458846899.

The spelling of 76736305 in words is "seventy-six million, seven hundred thirty-six thousand, three hundred five".