742565756422 has 16 divisors (see below), whose sum is σ = 1278577670400. Its totient is φ = 316840516488.

The previous prime is 742565756419. The next prime is 742565756477. The reversal of 742565756422 is 224657565247.

742565756422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×742565756422² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116825922 + ... + 116832277.

It is an arithmetic number, because the mean of its divisors is an integer number (79911104400).

Almost surely, 2^742565756422 is an apocalyptic number.

742565756422 is a deficient number, since it is larger than the sum of its proper divisors (536011913978).

742565756422 is a wasteful number, since it uses less digits than its factorization.

742565756422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233658435.

The product of its digits is 28224000, while the sum is 55.

The spelling of 742565756422 in words is "seven hundred forty-two billion, five hundred sixty-five million, seven hundred fifty-six thousand, four hundred twenty-two".