73542344143674 has 768 divisors, whose sum is σ = 194098833653760. Its totient is φ = 18141387264000.

The previous prime is 73542344143613. The next prime is 73542344143679. The reversal of 73542344143674 is 47634144324537.

It is not an unprimeable number, because it can be changed into a prime (73542344143679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 141156130534 + ... + 141156131054.

It is an arithmetic number, because the mean of its divisors is an integer number (252732856320).

Almost surely, 2^{73542344143674} is an apocalyptic number.

73542344143674 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 73542344143674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97049416826880).

73542344143674 is an abundant number, since it is smaller than the sum of its proper divisors (120556489510086).

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

73542344143674 is a wasteful number, since it uses less digits than its factorization.

73542344143674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 844 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 57.

The spelling of 73542344143674 in words is "seventy-three trillion, five hundred forty-two billion, three hundred forty-four million, one hundred forty-three thousand, six hundred seventy-four".