7273224731 has 4 divisors (see below), whose sum is σ = 7381780392. Its totient is φ = 7164669072.

The previous prime is 7273224709. The next prime is 7273224779. The reversal of 7273224731 is 1374223727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1374223727 = 2081 ⋅660367.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7273224731 is a prime.

It is a super-2 number, since 2×7273224731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7273224031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54277730 + ... + 54277863.

It is an arithmetic number, because the mean of its divisors is an integer number (1845445098).

Almost surely, 2^7273224731 is an apocalyptic number.

7273224731 is a deficient number, since it is larger than the sum of its proper divisors (108555661).

7273224731 is a wasteful number, since it uses less digits than its factorization.

7273224731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108555660.

The product of its digits is 98784, while the sum is 38.

The square root of 7273224731 is about 85283.2031000243. The cubic root of 7273224731 is about 1937.5027856831.

The spelling of 7273224731 in words is "seven billion, two hundred seventy-three million, two hundred twenty-four thousand, seven hundred thirty-one".