7664573 has 4 divisors (see below), whose sum is σ = 8759520. Its totient is φ = 6569628.

The previous prime is 7664563. The next prime is 7664597. The reversal of 7664573 is 3754667.

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.

It is a cyclic number.

It is not a de Polignac number, because 7664573 - 2⁴ = 7664557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547463 + ... + 547476.

It is an arithmetic number, because the mean of its divisors is an integer number (2189880).

Almost surely, 2^7664573 is an apocalyptic number.

It is an amenable number.

7664573 is a deficient number, since it is larger than the sum of its proper divisors (1094947).

7664573 is a wasteful number, since it uses less digits than its factorization.

7664573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094946.

The product of its digits is 105840, while the sum is 38.

The square root of 7664573 is about 2768.4965233859. The cubic root of 7664573 is about 197.1647723459.

The spelling of 7664573 in words is "seven million, six hundred sixty-four thousand, five hundred seventy-three".