74628282647 has 8 divisors (see below), whose sum is σ = 76324876992. Its totient is φ = 72936220000.

The previous prime is 74628282569. The next prime is 74628282709.

74628282647 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 74628282647 - 2¹² = 74628278551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74628282592 and 74628282601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74621282647) 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, 1099604 + ... + 1165497.

It is an arithmetic number, because the mean of its divisors is an integer number (9540609624).

Almost surely, 2^74628282647 is an apocalyptic number.

74628282647 is a deficient number, since it is larger than the sum of its proper divisors (1696594345).

74628282647 is a wasteful number, since it uses less digits than its factorization.

74628282647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265849.

The product of its digits is 14450688, while the sum is 56.

The spelling of 74628282647 in words is "seventy-four billion, six hundred twenty-eight million, two hundred eighty-two thousand, six hundred forty-seven".