74527472547 has 32 divisors (see below), whose sum is σ = 121144757760. Its totient is φ = 44907046560.

The previous prime is 74527472521. The next prime is 74527472549.

It is a happy number.

74527472547 is a `hidden beast` number, since 7 + 4 + 5 + 27 + 4 + 72 + 547 = 666.

74527472547 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74527472547 - 2⁸ = 74527472291 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 = 74527472493 and 74527472502.

It is not an unprimeable number, because it can be changed into a prime (74527472549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 673863 + ... + 776624.

It is an arithmetic number, because the mean of its divisors is an integer number (3785773680).

Almost surely, 2^74527472547 is an apocalyptic number.

74527472547 is a deficient number, since it is larger than the sum of its proper divisors (46617285213).

74527472547 is a wasteful number, since it uses less digits than its factorization.

74527472547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450680 (or 1450674 counting only the distinct ones).

The product of its digits is 15366400, while the sum is 54.

The spelling of 74527472547 in words is "seventy-four billion, five hundred twenty-seven million, four hundred seventy-two thousand, five hundred forty-seven".