3727746613 has 8 divisors (see below), whose sum is σ = 3765077432. Its totient is φ = 3690588096.

The previous prime is 3727746599. The next prime is 3727746647. The reversal of 3727746613 is 3166477273.

It can be written as a sum of positive squares in 4 ways, for example, as 10771524 + 3716975089 = 3282^2 + 60967^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3727746613 - 2²¹ = 3725649461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3727746653) 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 7 ways as a sum of consecutive naturals, for example, 631 + ... + 86347.

It is an arithmetic number, because the mean of its divisors is an integer number (470634679).

Almost surely, 2^3727746613 is an apocalyptic number.

It is an amenable number.

3727746613 is a deficient number, since it is larger than the sum of its proper divisors (37330819).

3727746613 is a wasteful number, since it uses less digits than its factorization.

3727746613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86151.

The product of its digits is 889056, while the sum is 46.

The square root of 3727746613 is about 61055.2750628478. The cubic root of 3727746613 is about 1550.5369784304.

The spelling of 3727746613 in words is "three billion, seven hundred twenty-seven million, seven hundred forty-six thousand, six hundred thirteen".