742206838305 has 16 divisors (see below), whose sum is σ = 1239162721920. Its totient is φ = 378633053568.

The previous prime is 742206838297. The next prime is 742206838357. The reversal of 742206838305 is 503838602247.

It is a happy number.

It is not a de Polignac number, because 742206838305 - 2³ = 742206838297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1075661740 + ... + 1075662429.

It is an arithmetic number, because the mean of its divisors is an integer number (77447670120).

Almost surely, 2^742206838305 is an apocalyptic number.

It is an amenable number.

742206838305 is a deficient number, since it is larger than the sum of its proper divisors (496955883615).

742206838305 is a wasteful number, since it uses less digits than its factorization.

742206838305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151324200.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 742206838305 in words is "seven hundred forty-two billion, two hundred six million, eight hundred thirty-eight thousand, three hundred five".