74832516220 has 96 divisors (see below), whose sum is σ = 196008293376. Its totient is φ = 23314521600.

The previous prime is 74832516211. The next prime is 74832516229. The reversal of 74832516220 is 2261523847.

It is an interprime number because it is at equal distance from previous prime (74832516211) and next prime (74832516229).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74832516229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4169065 + ... + 4186975.

It is an arithmetic number, because the mean of its divisors is an integer number (2041753056).

Almost surely, 2^74832516220 is an apocalyptic number.

74832516220 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 74832516220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98004146688).

74832516220 is an abundant number, since it is smaller than the sum of its proper divisors (121175777156).

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

74832516220 is a wasteful number, since it uses less digits than its factorization.

74832516220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20651 (or 20649 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 74832516220 in words is "seventy-four billion, eight hundred thirty-two million, five hundred sixteen thousand, two hundred twenty".