75006641220 has 144 divisors (see below), whose sum is σ = 244779490368. Its totient is φ = 17111243520.

The previous prime is 75006641219. The next prime is 75006641231. The reversal of 75006641220 is 2214660057.

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 47 ways as a sum of consecutive naturals, for example, 1513230 + ... + 1562010.

It is an arithmetic number, because the mean of its divisors is an integer number (1699857572).

Almost surely, 2^75006641220 is an apocalyptic number.

75006641220 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 75006641220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122389745184).

75006641220 is an abundant number, since it is smaller than the sum of its proper divisors (169772849148).

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

75006641220 is a wasteful number, since it uses less digits than its factorization.

75006641220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49330 (or 49321 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 75006641220 in words is "seventy-five billion, six million, six hundred forty-one thousand, two hundred twenty".