7445743344 has 160 divisors (see below), whose sum is σ = 23056093760. Its totient is φ = 2287014912.

The previous prime is 7445743309. The next prime is 7445743373. The reversal of 7445743344 is 4433475447.

7445743344 is a `hidden beast` number, since 7 + 4 + 4 + 574 + 33 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 7445743344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6137682 + ... + 6138894.

It is an arithmetic number, because the mean of its divisors is an integer number (144100586).

Almost surely, 2^7445743344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7445743344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11528046880).

7445743344 is an abundant number, since it is smaller than the sum of its proper divisors (15610350416).

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

7445743344 is a wasteful number, since it uses less digits than its factorization.

7445743344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336 (or 2324 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 45.

The square root of 7445743344 is about 86288.7208388211. The cubic root of 7445743344 is about 1952.7022228813.

The spelling of 7445743344 in words is "seven billion, four hundred forty-five million, seven hundred forty-three thousand, three hundred forty-four".