742324822722 has 162 divisors, whose sum is σ = 1903699641753. Its totient is φ = 208444731264.

The previous prime is 742324822699. The next prime is 742324822741. The reversal of 742324822722 is 227228423247.

742324822722 is a `hidden beast` number, since 74 + 2 + 32 + 482 + 2 + 72 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 605394481041 + 136930341681 = 778071^2 + 370041^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=609231.

It is a super-2 number, since 2×742324822722² (a number of 25 digits) contains 22 as substring.

Its product of digits (1204224) is a multiple of the sum of its prime divisors (512).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1714375818 + ... + 1714376250.

Almost surely, 2^742324822722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742324822722

742324822722 is an abundant number, since it is smaller than the sum of its proper divisors (1161374819031).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742324822722 is an equidigital number, since it uses as much as digits as its factorization.

742324822722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022 (or 512 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 45.

The spelling of 742324822722 in words is "seven hundred forty-two billion, three hundred twenty-four million, eight hundred twenty-two thousand, seven hundred twenty-two".