3727666775 has 24 divisors (see below), whose sum is σ = 5405499264. Its totient is φ = 2496664800.

The previous prime is 3727666771. The next prime is 3727666781. The reversal of 3727666775 is 5776667273.

It is not a de Polignac number, because 3727666775 - 2² = 3727666771 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3727666775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3727666771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240161 + ... + 255210.

It is an arithmetic number, because the mean of its divisors is an integer number (225229136).

Almost surely, 2^3727666775 is an apocalyptic number.

3727666775 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3727666775 is a deficient number, since it is larger than the sum of its proper divisors (1677832489).

3727666775 is a wasteful number, since it uses less digits than its factorization.

3727666775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495431 (or 495426 counting only the distinct ones).

The product of its digits is 15558480, while the sum is 56.

The square root of 3727666775 is about 61054.6212419666. The cubic root of 3727666775 is about 1550.5259089499.

The spelling of 3727666775 in words is "three billion, seven hundred twenty-seven million, six hundred sixty-six thousand, seven hundred seventy-five".