74552425547 has 4 divisors (see below), whose sum is σ = 75816026040. Its totient is φ = 73288825056.

The previous prime is 74552425529. The next prime is 74552425601.

74552425547 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 74552425547 - 2⁶ = 74552425483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74552425495 and 74552425504.

It is not an unprimeable number, because it can be changed into a prime (74552421547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631800158 + ... + 631800275.

It is an arithmetic number, because the mean of its divisors is an integer number (18954006510).

Almost surely, 2^74552425547 is an apocalyptic number.

74552425547 is a deficient number, since it is larger than the sum of its proper divisors (1263600493).

74552425547 is a wasteful number, since it uses less digits than its factorization.

74552425547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263600492.

The product of its digits is 7840000, while the sum is 50.

The spelling of 74552425547 in words is "seventy-four billion, five hundred fifty-two million, four hundred twenty-five thousand, five hundred forty-seven".