75428321364 has 120 divisors (see below), whose sum is σ = 216052082400. Its totient is φ = 22757008320.

The previous prime is 75428321351. The next prime is 75428321383. The reversal of 75428321364 is 46312382457.

75428321364 is a `hidden beast` number, since 7 + 5 + 4 + 283 + 2 + 1 + 364 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 39 ways as a sum of consecutive naturals, for example, 769947 + ... + 862365.

It is an arithmetic number, because the mean of its divisors is an integer number (1800434020).

Almost surely, 2^75428321364 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 75428321364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108026041200).

75428321364 is an abundant number, since it is smaller than the sum of its proper divisors (140623761036).

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

75428321364 is a wasteful number, since it uses less digits than its factorization.

75428321364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92675 (or 92664 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 75428321364 in words is "seventy-five billion, four hundred twenty-eight million, three hundred twenty-one thousand, three hundred sixty-four".