3729378393 has 12 divisors (see below), whose sum is σ = 5801255460. Its totient is φ = 2295002016.

The previous prime is 3729378379. The next prime is 3729378397. The reversal of 3729378393 is 3938739273.

It can be written as a sum of positive squares in 2 ways, for example, as 296941824 + 3432436569 = 17232^2 + 58587^2 .

It is not a de Polignac number, because 3729378393 - 2¹³ = 3729370201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3729378397) 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 11 ways as a sum of consecutive naturals, for example, 15937398 + ... + 15937631.

It is an arithmetic number, because the mean of its divisors is an integer number (483437955).

Almost surely, 2^3729378393 is an apocalyptic number.

It is an amenable number.

3729378393 is a deficient number, since it is larger than the sum of its proper divisors (2071877067).

3729378393 is a wasteful number, since it uses less digits than its factorization.

3729378393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31875048 (or 31875045 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 54.

The square root of 3729378393 is about 61068.6367376905. The cubic root of 3729378393 is about 1550.7631889183.

The spelling of 3729378393 in words is "three billion, seven hundred twenty-nine million, three hundred seventy-eight thousand, three hundred ninety-three".