743842061 has 2 divisors, whose sum is σ = 743842062. Its totient is φ = 743842060.

The previous prime is 743842031. The next prime is 743842129. The reversal of 743842061 is 160248347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 503778025 + 240064036 = 22445^2 + 15494^2 .

It is a cyclic number.

It is not a de Polignac number, because 743842061 - 2⁶ = 743841997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (743842031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371921030 + 371921031.

It is an arithmetic number, because the mean of its divisors is an integer number (371921031).

Almost surely, 2^743842061 is an apocalyptic number.

It is an amenable number.

743842061 is a deficient number, since it is larger than the sum of its proper divisors (1).

743842061 is an equidigital number, since it uses as much as digits as its factorization.

743842061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 743842061 is about 27273.4680779691. The cubic root of 743842061 is about 906.0668557629.

The spelling of 743842061 in words is "seven hundred forty-three million, eight hundred forty-two thousand, sixty-one".