7573973 has 4 divisors (see below), whose sum is σ = 8262528. Its totient is φ = 6885420.

The previous prime is 7573949. The next prime is 7573987. The reversal of 7573973 is 3793757.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3793757 = 11 ⋅344887.

It is a cyclic number.

It is not a de Polignac number, because 7573973 - 2¹⁶ = 7508437 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 7⁵ + 5⁷ + 7⁶ + 3⁷ + 9² + 7⁸ + 3¹³ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7573973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7573903) 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 in 3 ways as a sum of consecutive naturals, for example, 344261 + ... + 344282.

It is an arithmetic number, because the mean of its divisors is an integer number (2065632).

Almost surely, 2^7573973 is an apocalyptic number.

It is an amenable number.

7573973 is a deficient number, since it is larger than the sum of its proper divisors (688555).

7573973 is a wasteful number, since it uses less digits than its factorization.

7573973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688554.

The product of its digits is 138915, while the sum is 41.

The square root of 7573973 is about 2752.0852094367. The cubic root of 7573973 is about 196.3848211481.

The spelling of 7573973 in words is "seven million, five hundred seventy-three thousand, nine hundred seventy-three".