75342179136 has 224 divisors, whose sum is σ = 233711861760. Its totient is φ = 20973809664.

The previous prime is 75342179119. The next prime is 75342179167. The reversal of 75342179136 is 63197124357.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×75342179136² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 14715585 + ... + 14720703.

Almost surely, 2^75342179136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75342179136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116855930880).

75342179136 is an abundant number, since it is smaller than the sum of its proper divisors (158369682624).

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

75342179136 is a wasteful number, since it uses less digits than its factorization.

75342179136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421 (or 5411 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The spelling of 75342179136 in words is "seventy-five billion, three hundred forty-two million, one hundred seventy-nine thousand, one hundred thirty-six".