742186019 has 2 divisors, whose sum is σ = 742186020. Its totient is φ = 742186018.

The previous prime is 742186007. The next prime is 742186031. The reversal of 742186019 is 910681247.

742186019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (742186007) and next prime (742186031).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742186019 is a prime.

It is a super-3 number, since 3×742186019³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (742186069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371093009 + 371093010.

It is an arithmetic number, because the mean of its divisors is an integer number (371093010).

Almost surely, 2^742186019 is an apocalyptic number.

742186019 is a deficient number, since it is larger than the sum of its proper divisors (1).

742186019 is an equidigital number, since it uses as much as digits as its factorization.

742186019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 742186019 is about 27243.0912159395. The cubic root of 742186019 is about 905.3939532058.

The spelling of 742186019 in words is "seven hundred forty-two million, one hundred eighty-six thousand, nineteen".