743243801 has 2 divisors, whose sum is σ = 743243802. Its totient is φ = 743243800.

The previous prime is 743243789. The next prime is 743243807. The reversal of 743243801 is 108342347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 705433600 + 37810201 = 26560^2 + 6149^2 .

It is a cyclic number.

It is not a de Polignac number, because 743243801 - 2¹⁰ = 743242777 is a prime.

It is a super-2 number, since 2×743243801² = 1104822695449855202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (743243807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371621900 + 371621901.

It is an arithmetic number, because the mean of its divisors is an integer number (371621901).

Almost surely, 2^743243801 is an apocalyptic number.

It is an amenable number.

743243801 is a deficient number, since it is larger than the sum of its proper divisors (1).

743243801 is an equidigital number, since it uses as much as digits as its factorization.

743243801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 743243801 is about 27262.4980696927. The cubic root of 743243801 is about 905.8238790278.

It can be divided in two parts, 74324 and 3801, that added together give a 7-th power (78125 = 5⁷).

The spelling of 743243801 in words is "seven hundred forty-three million, two hundred forty-three thousand, eight hundred one".