741433666 has 4 divisors (see below), whose sum is σ = 1112150502. Its totient is φ = 370716832.

The previous prime is 741433621. The next prime is 741433673. The reversal of 741433666 is 666334147.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 666334147 = 37 ⋅18009031.

It can be written as a sum of positive squares in only one way, i.e., 548918041 + 192515625 = 23429^2 + 13875^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185358415 + ... + 185358418.

Almost surely, 2^741433666 is an apocalyptic number.

741433666 is a deficient number, since it is larger than the sum of its proper divisors (370716836).

741433666 is a wasteful number, since it uses less digits than its factorization.

741433666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370716835.

The product of its digits is 217728, while the sum is 40.

The square root of 741433666 is about 27229.2795718139. The cubic root of 741433666 is about 905.0879175498.

The spelling of 741433666 in words is "seven hundred forty-one million, four hundred thirty-three thousand, six hundred sixty-six".