7273922879 has 2 divisors, whose sum is σ = 7273922880. Its totient is φ = 7273922878.

The previous prime is 7273922869. The next prime is 7273922897. The reversal of 7273922879 is 9782293727.

Together with next prime (7273922897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7273922879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7273922869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3636961439 + 3636961440.

It is an arithmetic number, because the mean of its divisors is an integer number (3636961440).

Almost surely, 2^7273922879 is an apocalyptic number.

7273922879 is a deficient number, since it is larger than the sum of its proper divisors (1).

7273922879 is an equidigital number, since it uses as much as digits as its factorization.

7273922879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5334336, while the sum is 56.

The square root of 7273922879 is about 85287.2961172999. The cubic root of 7273922879 is about 1937.5647765454.

The spelling of 7273922879 in words is "seven billion, two hundred seventy-three million, nine hundred twenty-two thousand, eight hundred seventy-nine".