742087317255 has 32 divisors (see below), whose sum is σ = 1205835033600. Its totient is φ = 389643676032.

The previous prime is 742087317239. The next prime is 742087317269. The reversal of 742087317255 is 552713780247.

It is not a de Polignac number, because 742087317255 - 2⁴ = 742087317239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 742087317198 and 742087317207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491160 + ... + 1313549.

It is an arithmetic number, because the mean of its divisors is an integer number (37682344800).

Almost surely, 2^742087317255 is an apocalyptic number.

742087317255 is a deficient number, since it is larger than the sum of its proper divisors (463747716345).

742087317255 is a wasteful number, since it uses less digits than its factorization.

742087317255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805143.

The product of its (nonzero) digits is 3292800, while the sum is 51.

The spelling of 742087317255 in words is "seven hundred forty-two billion, eighty-seven million, three hundred seventeen thousand, two hundred fifty-five".