742838351 has 2 divisors, whose sum is σ = 742838352. Its totient is φ = 742838350.

The previous prime is 742838339. The next prime is 742838357. The reversal of 742838351 is 153838247.

It is a strong prime.

It is an emirp because it is prime and its reverse (153838247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742838351 - 2¹⁰ = 742837327 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 742838299 and 742838308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742838357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371419175 + 371419176.

It is an arithmetic number, because the mean of its divisors is an integer number (371419176).

Almost surely, 2^742838351 is an apocalyptic number.

742838351 is a deficient number, since it is larger than the sum of its proper divisors (1).

742838351 is an equidigital number, since it uses as much as digits as its factorization.

742838351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 41.

The square root of 742838351 is about 27255.0610162590. The cubic root of 742838351 is about 905.6591358240.

The spelling of 742838351 in words is "seven hundred forty-two million, eight hundred thirty-eight thousand, three hundred fifty-one".