3728006803 has 4 divisors (see below), whose sum is σ = 3798346608. Its totient is φ = 3657667000.

The previous prime is 3728006767. The next prime is 3728006839. The reversal of 3728006803 is 3086008273.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3086008273 = 37 ⋅83405629.

It is an interprime number because it is at equal distance from previous prime (3728006767) and next prime (3728006839).

It is a cyclic number.

It is not a de Polignac number, because 3728006803 - 2²¹ = 3725909651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3728006203) 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, 35169823 + ... + 35169928.

It is an arithmetic number, because the mean of its divisors is an integer number (949586652).

Almost surely, 2^3728006803 is an apocalyptic number.

3728006803 is a deficient number, since it is larger than the sum of its proper divisors (70339805).

3728006803 is an equidigital number, since it uses as much as digits as its factorization.

3728006803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70339804.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 3728006803 is about 61057.4057997881. The cubic root of 3728006803 is about 1550.5730524873.

The spelling of 3728006803 in words is "three billion, seven hundred twenty-eight million, six thousand, eight hundred three".