7603728081 has 8 divisors (see below), whose sum is σ = 10465346304. Its totient is φ = 4905630960.

The previous prime is 7603728049. The next prime is 7603728113. The reversal of 7603728081 is 1808273067.

It is an interprime number because it is at equal distance from previous prime (7603728049) and next prime (7603728113).

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

It is not a de Polignac number, because 7603728081 - 2⁵ = 7603728049 is a prime.

It is a super-2 number, since 2×7603728081² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7603728001) 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 7 ways as a sum of consecutive naturals, for example, 40880166 + ... + 40880351.

It is an arithmetic number, because the mean of its divisors is an integer number (1308168288).

Almost surely, 2^7603728081 is an apocalyptic number.

It is an amenable number.

7603728081 is a deficient number, since it is larger than the sum of its proper divisors (2861618223).

7603728081 is a wasteful number, since it uses less digits than its factorization.

7603728081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81760551.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 7603728081 is about 87199.3582602533. The cubic root of 7603728081 is about 1966.4165732188.

The spelling of 7603728081 in words is "seven billion, six hundred three million, seven hundred twenty-eight thousand, eighty-one".