742859771 has 8 divisors (see below), whose sum is σ = 769532400. Its totient is φ = 716594560.

The previous prime is 742859729. The next prime is 742859779. The reversal of 742859771 is 177958247.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 742859771 - 2⁶ = 742859707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742859779) 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 in 7 ways as a sum of consecutive naturals, for example, 98141 + ... + 105438.

It is an arithmetic number, because the mean of its divisors is an integer number (96191550).

Almost surely, 2^742859771 is an apocalyptic number.

742859771 is a deficient number, since it is larger than the sum of its proper divisors (26672629).

742859771 is a wasteful number, since it uses less digits than its factorization.

742859771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203709.

The product of its digits is 987840, while the sum is 50.

The square root of 742859771 is about 27255.4539679676. The cubic root of 742859771 is about 905.6678407381.

The spelling of 742859771 in words is "seven hundred forty-two million, eight hundred fifty-nine thousand, seven hundred seventy-one".