3727481478 has 64 divisors (see below), whose sum is σ = 8859414528. Its totient is φ = 1023068160.

The previous prime is 3727481477. The next prime is 3727481497. The reversal of 3727481478 is 8741847273.

It is a self number, because there is not a number n which added to its sum of digits gives 3727481478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3727481473) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 167926 + ... + 188822.

It is an arithmetic number, because the mean of its divisors is an integer number (138428352).

Almost surely, 2^3727481478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3727481478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4429707264).

3727481478 is an abundant number, since it is smaller than the sum of its proper divisors (5131933050).

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

3727481478 is a wasteful number, since it uses less digits than its factorization.

3727481478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21077.

The product of its digits is 2107392, while the sum is 51.

The square root of 3727481478 is about 61053.1037540271. The cubic root of 3727481478 is about 1550.5002170469.

The spelling of 3727481478 in words is "three billion, seven hundred twenty-seven million, four hundred eighty-one thousand, four hundred seventy-eight".