75640325376 has 540 divisors, whose sum is σ = 261505517280. Its totient is φ = 19013068800.

The previous prime is 75640325219. The next prime is 75640325381. The reversal of 75640325376 is 67352304657.

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 (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2440010481 + ... + 2440010511.

Almost surely, 2^75640325376 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 75640325376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130752758640).

75640325376 is an abundant number, since it is smaller than the sum of its proper divisors (185865191904).

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

75640325376 is an frugal number, since it uses more digits than its factorization.

75640325376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 48.

The spelling of 75640325376 in words is "seventy-five billion, six hundred forty million, three hundred twenty-five thousand, three hundred seventy-six".