74486527720 has 128 divisors (see below), whose sum is σ = 184296902400. Its totient is φ = 26869708800.

The previous prime is 74486527693. The next prime is 74486527723. The reversal of 74486527720 is 2772568447.

It is not an unprimeable number, because it can be changed into a prime (74486527723) 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, 31335172 + ... + 31337548.

It is an arithmetic number, because the mean of its divisors is an integer number (1439819550).

Almost surely, 2^74486527720 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 74486527720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92148451200).

74486527720 is an abundant number, since it is smaller than the sum of its proper divisors (109810374680).

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

74486527720 is a wasteful number, since it uses less digits than its factorization.

74486527720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939 (or 2935 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 52.

It can be divided in two parts, 74486 and 527720, that added together give a palindrome (602206).

The spelling of 74486527720 in words is "seventy-four billion, four hundred eighty-six million, five hundred twenty-seven thousand, seven hundred twenty".