743520068 has 6 divisors (see below), whose sum is σ = 1301160126. Its totient is φ = 371760032.

The previous prime is 743520061. The next prime is 743520077. The reversal of 743520068 is 860025347.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 691795204 + 51724864 = 26302^2 + 7192^2 .

It is not an unprimeable number, because it can be changed into a prime (743520061) by changing a digit.

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 as a sum of consecutive naturals, namely, 92940005 + ... + 92940012.

It is an arithmetic number, because the mean of its divisors is an integer number (216860021).

Almost surely, 2^743520068 is an apocalyptic number.

It is an amenable number.

743520068 is a deficient number, since it is larger than the sum of its proper divisors (557640058).

743520068 is a wasteful number, since it uses less digits than its factorization.

743520068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185880021 (or 185880019 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 743520068 is about 27267.5643943496. The cubic root of 743520068 is about 905.9360980356.

The spelling of 743520068 in words is "seven hundred forty-three million, five hundred twenty thousand, sixty-eight".