75283543968 has 96 divisors (see below), whose sum is σ = 198846660096. Its totient is φ = 24938938368.

The previous prime is 75283543967. The next prime is 75283543969. The reversal of 75283543968 is 86934538257.

It is an interprime number because it is at equal distance from previous prime (75283543967) and next prime (75283543969).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×75283543968² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75283543963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29032080 + ... + 29034672.

It is an arithmetic number, because the mean of its divisors is an integer number (2071319376).

Almost surely, 2^75283543968 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 75283543968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99423330048).

75283543968 is an abundant number, since it is smaller than the sum of its proper divisors (123563116128).

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

75283543968 is a wasteful number, since it uses less digits than its factorization.

75283543968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366 (or 4358 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 60.

The spelling of 75283543968 in words is "seventy-five billion, two hundred eighty-three million, five hundred forty-three thousand, nine hundred sixty-eight".