7442172318 has 96 divisors (see below), whose sum is σ = 17689335552. Its totient is φ = 2043532800.

The previous prime is 7442172289. The next prime is 7442172329. The reversal of 7442172318 is 8132712447.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9176133 + ... + 9176943.

It is an arithmetic number, because the mean of its divisors is an integer number (184263912).

Almost surely, 2^7442172318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7442172318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8844667776).

7442172318 is an abundant number, since it is smaller than the sum of its proper divisors (10247163234).

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

7442172318 is a wasteful number, since it uses less digits than its factorization.

7442172318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 937 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 7442172318 is about 86268.0260467341. The cubic root of 7442172318 is about 1952.3899968137.

The spelling of 7442172318 in words is "seven billion, four hundred forty-two million, one hundred seventy-two thousand, three hundred eighteen".