74565056547 has 16 divisors (see below), whose sum is σ = 110767764480. Its totient is φ = 49574581416.

The previous prime is 74565056537. The next prime is 74565056551.

It is a happy number.

74565056547 is a `hidden beast` number, since 7 + 45 + 6 + 5 + 0 + 56 + 547 = 666.

74565056547 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74565056547 - 2¹² = 74565052451 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 74565056493 and 74565056502.

It is not an unprimeable number, because it can be changed into a prime (74565056537) 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 15 ways as a sum of consecutive naturals, for example, 3752583 + ... + 3772400.

It is an arithmetic number, because the mean of its divisors is an integer number (6922985280).

Almost surely, 2^74565056547 is an apocalyptic number.

74565056547 is a deficient number, since it is larger than the sum of its proper divisors (36202707933).

74565056547 is a wasteful number, since it uses less digits than its factorization.

74565056547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7525359 (or 7525353 counting only the distinct ones).

The product of its (nonzero) digits is 17640000, while the sum is 54.

The spelling of 74565056547 in words is "seventy-four billion, five hundred sixty-five million, fifty-six thousand, five hundred forty-seven".