743551066 has 8 divisors (see below), whose sum is σ = 1180934100. Its totient is φ = 349906368.

The previous prime is 743551057. The next prime is 743551093. The reversal of 743551066 is 660155347.

It can be written as a sum of positive squares in 2 ways, for example, as 714011841 + 29539225 = 26721^2 + 5435^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10934541 + ... + 10934608.

Almost surely, 2^743551066 is an apocalyptic number.

743551066 is a deficient number, since it is larger than the sum of its proper divisors (437383034).

743551066 is a wasteful number, since it uses less digits than its factorization.

743551066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21869168.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 743551066 is about 27268.1327926941. The cubic root of 743551066 is about 905.9486876159.

The spelling of 743551066 in words is "seven hundred forty-three million, five hundred fifty-one thousand, sixty-six".