75681851140 has 96 divisors (see below), whose sum is σ = 183504787200. Its totient is φ = 25681618944.

The previous prime is 75681851131. The next prime is 75681851143. The reversal of 75681851140 is 4115818657.

It is not an unprimeable number, because it can be changed into a prime (75681851143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24820336 + ... + 24823384.

It is an arithmetic number, because the mean of its divisors is an integer number (1911508200).

Almost surely, 2^75681851140 is an apocalyptic number.

75681851140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75681851140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91752393600).

75681851140 is an abundant number, since it is smaller than the sum of its proper divisors (107822936060).

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

75681851140 is a wasteful number, since it uses less digits than its factorization.

75681851140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829 (or 4827 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 46.

The spelling of 75681851140 in words is "seventy-five billion, six hundred eighty-one million, eight hundred fifty-one thousand, one hundred forty".