74545454547 has 32 divisors (see below), whose sum is σ = 113029862400. Its totient is φ = 48535048224.

The previous prime is 74545454519. The next prime is 74545454561.

74545454547 is a `hidden beast` number, since 7 + 4 + 5 + 4 + 54 + 545 + 47 = 666.

74545454547 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74545454547 - 2¹² = 74545450451 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 = 74545454493 and 74545454502.

It is not an unprimeable number, because it can be changed into a prime (74545454567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 529729 + ... + 655517.

It is an arithmetic number, because the mean of its divisors is an integer number (3532183200).

Almost surely, 2^74545454547 is an apocalyptic number.

74545454547 is a deficient number, since it is larger than the sum of its proper divisors (38484407853).

74545454547 is a wasteful number, since it uses less digits than its factorization.

74545454547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126312 (or 126306 counting only the distinct ones).

The product of its digits is 31360000, while the sum is 54.

The spelling of 74545454547 in words is "seventy-four billion, five hundred forty-five million, four hundred fifty-four thousand, five hundred forty-seven".