75244474968 has 128 divisors (see below), whose sum is σ = 209506590720. Its totient is φ = 22363476480.

The previous prime is 75244474967. The next prime is 75244474997. The reversal of 75244474968 is 86947444257.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75244474961) 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, 5380321 + ... + 5394287.

It is an arithmetic number, because the mean of its divisors is an integer number (1636770240).

Almost surely, 2^75244474968 is an apocalyptic number.

75244474968 is a gapful number since it is divisible by the number (78) 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 75244474968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104753295360).

75244474968 is an abundant number, since it is smaller than the sum of its proper divisors (134262115752).

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

75244474968 is a wasteful number, since it uses less digits than its factorization.

75244474968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14577 (or 14573 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 60.

The spelling of 75244474968 in words is "seventy-five billion, two hundred forty-four million, four hundred seventy-four thousand, nine hundred sixty-eight".