74669466496647 has 16 divisors (see below), whose sum is σ = 108617666209920. Its totient is φ = 45251083317600.

The previous prime is 74669466496637. The next prime is 74669466496697.

74669466496647 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74669466496647 - 2¹¹ = 74669466494599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74669466496647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74669466496637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77987004 + ... + 78938657.

It is an arithmetic number, because the mean of its divisors is an integer number (6788604138120).

Almost surely, 2^{74669466496647} is an apocalyptic number.

74669466496647 is a deficient number, since it is larger than the sum of its proper divisors (33948199713273).

74669466496647 is a wasteful number, since it uses less digits than its factorization.

74669466496647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156940094.

The product of its digits is 47405481984, while the sum is 84.

The spelling of 74669466496647 in words is "seventy-four trillion, six hundred sixty-nine billion, four hundred sixty-six million, four hundred ninety-six thousand, six hundred forty-seven".