3728664627 has 4 divisors (see below), whose sum is σ = 4971552840. Its totient is φ = 2485776416.

The previous prime is 3728664607. The next prime is 3728664629. The reversal of 3728664627 is 7264668273.

3728664627 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3728664627 - 2¹⁵ = 3728631859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3728664627.

It is not an unprimeable number, because it can be changed into a prime (3728664629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621444102 + ... + 621444107.

It is an arithmetic number, because the mean of its divisors is an integer number (1242888210).

Almost surely, 2^3728664627 is an apocalyptic number.

3728664627 is a deficient number, since it is larger than the sum of its proper divisors (1242888213).

3728664627 is a wasteful number, since it uses less digits than its factorization.

3728664627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242888212.

The product of its digits is 4064256, while the sum is 51.

The square root of 3728664627 is about 61062.7924926465. The cubic root of 3728664627 is about 1550.6642490465.

The spelling of 3728664627 in words is "three billion, seven hundred twenty-eight million, six hundred sixty-four thousand, six hundred twenty-seven".