733940666 has 4 divisors (see below), whose sum is σ = 1100911002. Its totient is φ = 366970332.

The previous prime is 733940659. The next prime is 733940699. The reversal of 733940666 is 666049337.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 666049337 = 929 ⋅716953.

It can be written as a sum of positive squares in only one way, i.e., 655104025 + 78836641 = 25595^2 + 8879^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183485165 + ... + 183485168.

Almost surely, 2^733940666 is an apocalyptic number.

733940666 is a deficient number, since it is larger than the sum of its proper divisors (366970336).

733940666 is a wasteful number, since it uses less digits than its factorization.

733940666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366970335.

The product of its (nonzero) digits is 489888, while the sum is 44.

The square root of 733940666 is about 27091.3393172062. The cubic root of 733940666 is about 902.0286198951.

The spelling of 733940666 in words is "seven hundred thirty-three million, nine hundred forty thousand, six hundred sixty-six".