74143719738 has 32 divisors (see below), whose sum is σ = 179742352320. Its totient is φ = 22467793680.

The previous prime is 74143719737. The next prime is 74143719751. The reversal of 74143719738 is 83791734147.

74143719738 is a `hidden beast` number, since 7 + 414 + 3 + 7 + 197 + 38 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74143719733) 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 15 ways as a sum of consecutive naturals, for example, 62409945 + ... + 62411132.

It is an arithmetic number, because the mean of its divisors is an integer number (5616948510).

Almost surely, 2^74143719738 is an apocalyptic number.

74143719738 is an abundant number, since it is smaller than the sum of its proper divisors (105598632582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74143719738 is a wasteful number, since it uses less digits than its factorization.

74143719738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124821099 (or 124821093 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

It can be divided in two parts, 74143 and 719738, that added together give a square (793881 = 891²).

The spelling of 74143719738 in words is "seventy-four billion, one hundred forty-three million, seven hundred nineteen thousand, seven hundred thirty-eight".