7999573 has 2 divisors, whose sum is σ = 7999574. Its totient is φ = 7999572.

The previous prime is 7999547. The next prime is 7999577. The reversal of 7999573 is 3759997.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4588164 + 3411409 = 2142^2 + 1847^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7999573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7999577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3999786 + 3999787.

It is an arithmetic number, because the mean of its divisors is an integer number (3999787).

Almost surely, 2^7999573 is an apocalyptic number.

It is an amenable number.

7999573 is a deficient number, since it is larger than the sum of its proper divisors (1).

7999573 is an equidigital number, since it uses as much as digits as its factorization.

7999573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 535815, while the sum is 49.

The square root of 7999573 is about 2828.3516400900. The cubic root of 7999573 is about 199.9964416034.

The spelling of 7999573 in words is "seven million, nine hundred ninety-nine thousand, five hundred seventy-three".