74669977996647 has 8 divisors (see below), whose sum is σ = 108610877086080. Its totient is φ = 45254532119160.

The previous prime is 74669977996639. The next prime is 74669977996667.

74669977996647 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 74669977996647 - 2³ = 74669977996639 is a prime.

It is a super-2 number, since 2×74669977996647² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74669977996667) 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, 1131363302947 + ... + 1131363303012.

It is an arithmetic number, because the mean of its divisors is an integer number (13576359635760).

Almost surely, 2^{74669977996647} is an apocalyptic number.

74669977996647 is a deficient number, since it is larger than the sum of its proper divisors (33940899089433).

74669977996647 is a wasteful number, since it uses less digits than its factorization.

74669977996647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262726605973.

The product of its digits is 326653399296, while the sum is 96.

The spelling of 74669977996647 in words is "seventy-four trillion, six hundred sixty-nine billion, nine hundred seventy-seven million, nine hundred ninety-six thousand, six hundred forty-seven".