3728045574 has 120 divisors (see below), whose sum is σ = 9582415920. Its totient is φ = 1080462240.

The previous prime is 3728045569. The next prime is 3728045603. The reversal of 3728045574 is 4755408273.

3728045574 is a `hidden beast` number, since 3 + 72 + 8 + 0 + 4 + 5 + 574 = 666.

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 59 ways as a sum of consecutive naturals, for example, 446712 + ... + 454980.

It is an arithmetic number, because the mean of its divisors is an integer number (79853466).

Almost surely, 2^3728045574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3728045574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4791207960).

3728045574 is an abundant number, since it is smaller than the sum of its proper divisors (5854370346).

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

3728045574 is a wasteful number, since it uses less digits than its factorization.

3728045574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8328 (or 8308 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The square root of 3728045574 is about 61057.7232952556. The cubic root of 3728045574 is about 1550.5784277510.

The spelling of 3728045574 in words is "three billion, seven hundred twenty-eight million, forty-five thousand, five hundred seventy-four".