76475540345 has 4 divisors (see below), whose sum is σ = 91770648420. Its totient is φ = 61180432272.

The previous prime is 76475540333. The next prime is 76475540387. The reversal of 76475540345 is 54304557467.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25524216169 + 50951324176 = 159763^2 + 225724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76475540345 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76475540293 and 76475540302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7647554030 + ... + 7647554039.

It is an arithmetic number, because the mean of its divisors is an integer number (22942662105).

Almost surely, 2^76475540345 is an apocalyptic number.

It is an amenable number.

76475540345 is a deficient number, since it is larger than the sum of its proper divisors (15295108075).

76475540345 is a wasteful number, since it uses less digits than its factorization.

76475540345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15295108074.

The product of its (nonzero) digits is 7056000, while the sum is 50.

The spelling of 76475540345 in words is "seventy-six billion, four hundred seventy-five million, five hundred forty thousand, three hundred forty-five".