742274028785 has 16 divisors (see below), whose sum is σ = 926534503440. Its totient is φ = 570175038720.

The previous prime is 742274028767. The next prime is 742274028851. The reversal of 742274028785 is 587820472247.

It can be written as a sum of positive squares in 8 ways, for example, as 127961344 + 742146067441 = 11312^2 + 861479^2 .

It is not a de Polignac number, because 742274028785 - 2²⁴ = 742257251569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 742274028785.

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 15 ways as a sum of consecutive naturals, for example, 14115002 + ... + 14167491.

It is an arithmetic number, because the mean of its divisors is an integer number (57908406465).

Almost surely, 2^742274028785 is an apocalyptic number.

It is an amenable number.

742274028785 is a deficient number, since it is larger than the sum of its proper divisors (184260474655).

742274028785 is a wasteful number, since it uses less digits than its factorization.

742274028785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28282708.

The product of its (nonzero) digits is 14049280, while the sum is 56.

The spelling of 742274028785 in words is "seven hundred forty-two billion, two hundred seventy-four million, twenty-eight thousand, seven hundred eighty-five".