7666673 has 4 divisors (see below), whose sum is σ = 8761920. Its totient is φ = 6571428.

The previous prime is 7666669. The next prime is 7666693. The reversal of 7666673 is 3766667.

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: 3766667 = 433 ⋅8699.

It is a cyclic number.

It is not a de Polignac number, because 7666673 - 2² = 7666669 is a prime.

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 7666673.

It is not an unprimeable number, because it can be changed into a prime (7666693) 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, 547613 + ... + 547626.

It is an arithmetic number, because the mean of its divisors is an integer number (2190480).

Almost surely, 2^7666673 is an apocalyptic number.

It is an amenable number.

7666673 is a deficient number, since it is larger than the sum of its proper divisors (1095247).

7666673 is a wasteful number, since it uses less digits than its factorization.

7666673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095246.

The product of its digits is 190512, while the sum is 41.

The square root of 7666673 is about 2768.8757646381. The cubic root of 7666673 is about 197.1827776200.

The spelling of 7666673 in words is "seven million, six hundred sixty-six thousand, six hundred seventy-three".