76580473 has 4 divisors (see below), whose sum is σ = 76651380. Its totient is φ = 76509568.

The previous prime is 76580459. The next prime is 76580479. The reversal of 76580473 is 37408567.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37408567 = 7 ⋅5344081.

It can be written as a sum of positive squares in 2 ways, for example, as 46076944 + 30503529 = 6788^2 + 5523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76580473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76580479) 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 3 ways as a sum of consecutive naturals, for example, 33808 + ... + 36001.

It is an arithmetic number, because the mean of its divisors is an integer number (19162845).

Almost surely, 2^76580473 is an apocalyptic number.

It is an amenable number.

76580473 is a deficient number, since it is larger than the sum of its proper divisors (70907).

76580473 is a wasteful number, since it uses less digits than its factorization.

76580473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70906.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 76580473 is about 8751.0269683049. The cubic root of 76580473 is about 424.6580372658.

The spelling of 76580473 in words is "seventy-six million, five hundred eighty thousand, four hundred seventy-three".