7345999873 has 2 divisors, whose sum is σ = 7345999874. Its totient is φ = 7345999872.

The previous prime is 7345999867. The next prime is 7345999879. The reversal of 7345999873 is 3789995437.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (7345999867) and next prime (7345999879).

It can be written as a sum of positive squares in only one way, i.e., 4986760689 + 2359239184 = 70617^2 + 48572^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7345999873 is a prime.

It is a super-2 number, since 2×7345999873² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7345999879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3672999936 + 3672999937.

It is an arithmetic number, because the mean of its divisors is an integer number (3672999937).

Almost surely, 2^7345999873 is an apocalyptic number.

It is an amenable number.

7345999873 is a deficient number, since it is larger than the sum of its proper divisors (1).

7345999873 is an equidigital number, since it uses as much as digits as its factorization.

7345999873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51438240, while the sum is 64.

The square root of 7345999873 is about 85708.8086079838. The cubic root of 7345999873 is about 1943.9435029934.

The spelling of 7345999873 in words is "seven billion, three hundred forty-five million, nine hundred ninety-nine thousand, eight hundred seventy-three".