742222743730257 has 16 divisors (see below), whose sum is σ = 990091083018240. Its totient is φ = 494584786496592.

The previous prime is 742222743730241. The next prime is 742222743730297. The reversal of 742222743730257 is 752037347222247.

It is a happy number.

742222743730257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 742222743730257 - 2⁴ = 742222743730241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 742222743730197 and 742222743730206.

It is not an unprimeable number, because it can be changed into a prime (742222743730297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1351622848 + ... + 1352171870.

It is an arithmetic number, because the mean of its divisors is an integer number (61880692688640).

Almost surely, 2^{742222743730257} is an apocalyptic number.

It is an amenable number.

742222743730257 is a deficient number, since it is larger than the sum of its proper divisors (247868339287983).

742222743730257 is a wasteful number, since it uses less digits than its factorization.

742222743730257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758012.

The product of its (nonzero) digits is 55319040, while the sum is 57.

The spelling of 742222743730257 in words is "seven hundred forty-two trillion, two hundred twenty-two billion, seven hundred forty-three million, seven hundred thirty thousand, two hundred fifty-seven".