743660313 has 20 divisors (see below), whose sum is σ = 1090759440. Its totient is φ = 450676600.

The previous prime is 743660287. The next prime is 743660317. The reversal of 743660313 is 313066347.

743660313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 743660313 - 2¹⁰ = 743659289 is a prime.

It is a super-2 number, since 2×743660313² = 1106061322262515938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (743660317) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35458 + ... + 52388.

It is an arithmetic number, because the mean of its divisors is an integer number (54537972).

Almost surely, 2^743660313 is an apocalyptic number.

It is an amenable number.

743660313 is a deficient number, since it is larger than the sum of its proper divisors (347099127).

743660313 is an equidigital number, since it uses as much as digits as its factorization.

743660313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16978 (or 16945 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 743660313 is about 27270.1359182531. The cubic root of 743660313 is about 905.9930545886.

The spelling of 743660313 in words is "seven hundred forty-three million, six hundred sixty thousand, three hundred thirteen".