74254445247 has 8 divisors (see below), whose sum is σ = 100400376960. Its totient is φ = 48805738520.

The previous prime is 74254445233. The next prime is 74254445303.

It is a happy number.

74254445247 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 74254445247 - 2⁶ = 74254445183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74254445196 and 74254445205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74254445147) 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, 174305997 + ... + 174306422.

It is an arithmetic number, because the mean of its divisors is an integer number (12550047120).

Almost surely, 2^74254445247 is an apocalyptic number.

74254445247 is a deficient number, since it is larger than the sum of its proper divisors (26145931713).

74254445247 is a wasteful number, since it uses less digits than its factorization.

74254445247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348612493.

The product of its digits is 5017600, while the sum is 48.

The spelling of 74254445247 in words is "seventy-four billion, two hundred fifty-four million, four hundred forty-five thousand, two hundred forty-seven".