742848919 has 2 divisors, whose sum is σ = 742848920. Its totient is φ = 742848918.

The previous prime is 742848893. The next prime is 742848941. The reversal of 742848919 is 919848247.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 742848919 - 2¹³ = 742840727 is a prime.

It is a super-2 number, since 2×742848919² = 1103649032918937122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742845919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371424459 + 371424460.

It is an arithmetic number, because the mean of its divisors is an integer number (371424460).

Almost surely, 2^742848919 is an apocalyptic number.

742848919 is a deficient number, since it is larger than the sum of its proper divisors (1).

742848919 is an equidigital number, since it uses as much as digits as its factorization.

742848919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 52.

The square root of 742848919 is about 27255.2548878193. The cubic root of 742848919 is about 905.6634305943.

The spelling of 742848919 in words is "seven hundred forty-two million, eight hundred forty-eight thousand, nine hundred nineteen".