7666433 has 2 divisors, whose sum is σ = 7666434. Its totient is φ = 7666432.

The previous prime is 7666423. The next prime is 7666453. The reversal of 7666433 is 3346667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4870849 + 2795584 = 2207^2 + 1672^2 .

It is a cyclic number.

It is not a de Polignac number, because 7666433 - 2¹² = 7662337 is a prime.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 7666393 and 7666402.

It is not a weakly prime, because it can be changed into another prime (7666423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3833216 + 3833217.

It is an arithmetic number, because the mean of its divisors is an integer number (3833217).

Almost surely, 2^7666433 is an apocalyptic number.

It is an amenable number.

7666433 is a deficient number, since it is larger than the sum of its proper divisors (1).

7666433 is an equidigital number, since it uses as much as digits as its factorization.

7666433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 35.

The square root of 7666433 is about 2768.8324254097. The cubic root of 7666433 is about 197.1807200408.

The spelling of 7666433 in words is "seven million, six hundred sixty-six thousand, four hundred thirty-three".