7293213073 has 4 divisors (see below), whose sum is σ = 7335370548. Its totient is φ = 7251055600.

The previous prime is 7293213049. The next prime is 7293213089. The reversal of 7293213073 is 3703123927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3703123927 = 28843 ⋅128389.

It can be written as a sum of positive squares in 2 ways, for example, as 5205911104 + 2087301969 = 72152^2 + 45687^2 .

It is a cyclic number.

It is not a de Polignac number, because 7293213073 - 2⁵ = 7293213041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7293214073) 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 3 ways as a sum of consecutive naturals, for example, 21078478 + ... + 21078823.

It is an arithmetic number, because the mean of its divisors is an integer number (1833842637).

Almost surely, 2^7293213073 is an apocalyptic number.

It is an amenable number.

7293213073 is a deficient number, since it is larger than the sum of its proper divisors (42157475).

7293213073 is a wasteful number, since it uses less digits than its factorization.

7293213073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42157474.

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 7293213073 is about 85400.3107312848. The cubic root of 7293213073 is about 1939.2760498011.

The spelling of 7293213073 in words is "seven billion, two hundred ninety-three million, two hundred thirteen thousand, seventy-three".