7273735653 has 8 divisors (see below), whose sum is σ = 9711548128. Its totient is φ = 4842540144.

The previous prime is 7273735639. The next prime is 7273735681. The reversal of 7273735653 is 3565373727.

7273735653 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 7273735653 - 2¹² = 7273731557 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 (7273735633) 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, 1651675 + ... + 1656072.

It is an arithmetic number, because the mean of its divisors is an integer number (1213943516).

Almost surely, 2^7273735653 is an apocalyptic number.

It is an amenable number.

7273735653 is a deficient number, since it is larger than the sum of its proper divisors (2437812475).

7273735653 is a wasteful number, since it uses less digits than its factorization.

7273735653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308483.

The product of its digits is 2778300, while the sum is 48.

The square root of 7273735653 is about 85286.1984907289. The cubic root of 7273735653 is about 1937.5481525209.

The spelling of 7273735653 in words is "seven billion, two hundred seventy-three million, seven hundred thirty-five thousand, six hundred fifty-three".