74543470047 has 8 divisors (see below), whose sum is σ = 110434770480. Its totient is φ = 49695646680.

The previous prime is 74543470033. The next prime is 74543470063. The reversal of 74543470047 is 74007434547.

It is not a de Polignac number, because 74543470047 - 2⁷ = 74543469919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74543469984 and 74543470011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74543470087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380434604 + ... + 1380434657.

It is an arithmetic number, because the mean of its divisors is an integer number (13804346310).

Almost surely, 2^74543470047 is an apocalyptic number.

74543470047 is a deficient number, since it is larger than the sum of its proper divisors (35891300433).

74543470047 is a wasteful number, since it uses less digits than its factorization.

74543470047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760869270 (or 2760869264 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 45.

The spelling of 74543470047 in words is "seventy-four billion, five hundred forty-three million, four hundred seventy thousand, forty-seven".