74327742719 has 8 divisors (see below), whose sum is σ = 77477724720. Its totient is φ = 71216891200.

The previous prime is 74327742673. The next prime is 74327742787. The reversal of 74327742719 is 91724772347.

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 74327742719 - 2²⁴ = 74310965503 is a prime.

It is a super-2 number, since 2×74327742719² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74327742019) 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, 9778742 + ... + 9786339.

It is an arithmetic number, because the mean of its divisors is an integer number (9684715590).

Almost surely, 2^74327742719 is an apocalyptic number.

74327742719 is a deficient number, since it is larger than the sum of its proper divisors (3149982001).

74327742719 is a wasteful number, since it uses less digits than its factorization.

74327742719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19565241.

The product of its digits is 4148928, while the sum is 53.

The spelling of 74327742719 in words is "seventy-four billion, three hundred twenty-seven million, seven hundred forty-two thousand, seven hundred nineteen".