74627672647 has 8 divisors (see below), whose sum is σ = 81833832720. Its totient is φ = 67491816960.

The previous prime is 74627672641. The next prime is 74627672689.

74627672647 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 74627672647 - 2³⁵ = 40267934279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74627672591 and 74627672600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74627672641) 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, 17573872 + ... + 17578117.

It is an arithmetic number, because the mean of its divisors is an integer number (10229229090).

Almost surely, 2^74627672647 is an apocalyptic number.

74627672647 is a deficient number, since it is larger than the sum of its proper divisors (7206160073).

74627672647 is a wasteful number, since it uses less digits than its factorization.

74627672647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35152193.

The product of its digits is 33191424, while the sum is 58.

The spelling of 74627672647 in words is "seventy-four billion, six hundred twenty-seven million, six hundred seventy-two thousand, six hundred forty-seven".