742871357 has 2 divisors, whose sum is σ = 742871358. Its totient is φ = 742871356.

The previous prime is 742871351. The next prime is 742871417. The reversal of 742871357 is 753178247.

742871357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 390220516 + 352650841 = 19754^2 + 18779^2 .

It is a cyclic number.

It is not a de Polignac number, because 742871357 - 2⁶ = 742871293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742871351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371435678 + 371435679.

It is an arithmetic number, because the mean of its divisors is an integer number (371435679).

Almost surely, 2^742871357 is an apocalyptic number.

It is an amenable number.

742871357 is a deficient number, since it is larger than the sum of its proper divisors (1).

742871357 is an equidigital number, since it uses as much as digits as its factorization.

742871357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329280, while the sum is 44.

The square root of 742871357 is about 27255.6665117549. Note that the first 3 decimals coincide. The cubic root of 742871357 is about 905.6725491247.

The spelling of 742871357 in words is "seven hundred forty-two million, eight hundred seventy-one thousand, three hundred fifty-seven".