7273716861 has 16 divisors (see below), whose sum is σ = 9885512000. Its totient is φ = 4756268160.

The previous prime is 7273716841. The next prime is 7273716871. The reversal of 7273716861 is 1686173727.

It is not a de Polignac number, because 7273716861 - 2⁵ = 7273716829 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 7273716861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7273716841) 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 15 ways as a sum of consecutive naturals, for example, 52111 + ... + 131388.

It is an arithmetic number, because the mean of its divisors is an integer number (617844500).

Almost surely, 2^7273716861 is an apocalyptic number.

It is an amenable number.

7273716861 is a deficient number, since it is larger than the sum of its proper divisors (2611795139).

7273716861 is a wasteful number, since it uses less digits than its factorization.

7273716861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183756.

The product of its digits is 592704, while the sum is 48.

The square root of 7273716861 is about 85286.0883204289. The cubic root of 7273716861 is about 1937.5464839406.

It can be divided in two parts, 72737 and 16861, that added together give a palindrome (89598).

The spelling of 7273716861 in words is "seven billion, two hundred seventy-three million, seven hundred sixteen thousand, eight hundred sixty-one".