73738140144 has 40 divisors (see below), whose sum is σ = 191177920080. Its totient is φ = 24490641408.

The previous prime is 73738140107. The next prime is 73738140149. The reversal of 73738140144 is 44104183737.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 73738140096 and 73738140105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73738140149) 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 7 ways as a sum of consecutive naturals, for example, 2759649 + ... + 2786240.

It is an arithmetic number, because the mean of its divisors is an integer number (4779448002).

Almost surely, 2^73738140144 is an apocalyptic number.

It is an amenable number.

73738140144 is an abundant number, since it is smaller than the sum of its proper divisors (117439779936).

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

73738140144 is a wasteful number, since it uses less digits than its factorization.

73738140144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5546177 (or 5546171 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 73738140144 in words is "seventy-three billion, seven hundred thirty-eight million, one hundred forty thousand, one hundred forty-four".