74630872817279 has 8 divisors (see below), whose sum is σ = 77875786340352. Its totient is φ = 71385967041400.

The previous prime is 74630872817227. The next prime is 74630872817287. The reversal of 74630872817279 is 97271827803647.

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 74630872817279 - 2²⁰ = 74630871768703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74630872814279) 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, 26855954 + ... + 29504304.

It is an arithmetic number, because the mean of its divisors is an integer number (9734473292544).

Almost surely, 2^{74630872817279} is an apocalyptic number.

74630872817279 is a deficient number, since it is larger than the sum of its proper divisors (3244913523073).

74630872817279 is a wasteful number, since it uses less digits than its factorization.

74630872817279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873597.

The product of its (nonzero) digits is 398297088, while the sum is 71.

The spelling of 74630872817279 in words is "seventy-four trillion, six hundred thirty billion, eight hundred seventy-two million, eight hundred seventeen thousand, two hundred seventy-nine".