734458666 has 16 divisors (see below), whose sum is σ = 1147067208. Its totient is φ = 352396800.

The previous prime is 734458663. The next prime is 734458687. The reversal of 734458666 is 666854437.

It can be written as a sum of positive squares in 4 ways, for example, as 489692641 + 244766025 = 22129^2 + 15645^2 .

It is not an unprimeable number, because it can be changed into a prime (734458663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68415 + ... + 78418.

Almost surely, 2^734458666 is an apocalyptic number.

734458666 is a deficient number, since it is larger than the sum of its proper divisors (412608542).

734458666 is a wasteful number, since it uses less digits than its factorization.

734458666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146937.

The product of its digits is 2903040, while the sum is 49.

The square root of 734458666 is about 27100.8978818046. The cubic root of 734458666 is about 902.2407809796.

The spelling of 734458666 in words is "seven hundred thirty-four million, four hundred fifty-eight thousand, six hundred sixty-six".