76545443 has 8 divisors (see below), whose sum is σ = 82891536. Its totient is φ = 70264800.

The previous prime is 76545431. The next prime is 76545467. The reversal of 76545443 is 34454567.

It is a happy number.

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 76545443 - 2⁶ = 76545379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76545397 and 76545406.

It is not an unprimeable number, because it can be changed into a prime (76545473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13913 + ... + 18618.

It is an arithmetic number, because the mean of its divisors is an integer number (10361442).

Almost surely, 2^76545443 is an apocalyptic number.

76545443 is a deficient number, since it is larger than the sum of its proper divisors (6346093).

76545443 is a wasteful number, since it uses less digits than its factorization.

76545443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32725.

The product of its digits is 201600, while the sum is 38.

The square root of 76545443 is about 8749.0252599933. The cubic root of 76545443 is about 424.5932773288.

The spelling of 76545443 in words is "seventy-six million, five hundred forty-five thousand, four hundred forty-three".