74254134993 has 8 divisors (see below), whose sum is σ = 99007261248. Its totient is φ = 49501882704.

The previous prime is 74254134991. The next prime is 74254135001. The reversal of 74254134993 is 39943145247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74254134993 - 2¹ = 74254134991 is a prime.

It is a super-4 number, since 4×74254134993⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (74254134991) 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 7 ways as a sum of consecutive naturals, for example, 15580 + ... + 385682.

It is an arithmetic number, because the mean of its divisors is an integer number (12375907656).

Almost surely, 2^74254134993 is an apocalyptic number.

It is an amenable number.

74254134993 is a deficient number, since it is larger than the sum of its proper divisors (24753126255).

74254134993 is a wasteful number, since it uses less digits than its factorization.

74254134993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436983.

The product of its digits is 3265920, while the sum is 51.

The spelling of 74254134993 in words is "seventy-four billion, two hundred fifty-four million, one hundred thirty-four thousand, nine hundred ninety-three".