7563973 has 2 divisors, whose sum is σ = 7563974. Its totient is φ = 7563972.

The previous prime is 7563971. The next prime is 7563979. The reversal of 7563973 is 3793657.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7300804 + 263169 = 2702^2 + 513^2 .

It is a cyclic number.

It is not a de Polignac number, because 7563973 - 2¹ = 7563971 is a prime.

Together with 7563971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7563971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3781986 + 3781987.

It is an arithmetic number, because the mean of its divisors is an integer number (3781987).

Almost surely, 2^7563973 is an apocalyptic number.

It is an amenable number.

7563973 is a deficient number, since it is larger than the sum of its proper divisors (1).

7563973 is an equidigital number, since it uses as much as digits as its factorization.

7563973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070, while the sum is 40.

The square root of 7563973 is about 2750.2678051419. The cubic root of 7563973 is about 196.2983534011.

The spelling of 7563973 in words is "seven million, five hundred sixty-three thousand, nine hundred seventy-three".