7443743454 has 128 divisors (see below), whose sum is σ = 20120832000. Its totient is φ = 1991278080.

The previous prime is 7443743453. The next prime is 7443743507. The reversal of 7443743454 is 4543473447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7443743453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1275864 + ... + 1281684.

It is an arithmetic number, because the mean of its divisors is an integer number (157194000).

Almost surely, 2^7443743454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7443743454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10060416000).

7443743454 is an abundant number, since it is smaller than the sum of its proper divisors (12677088546).

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

7443743454 is a wasteful number, since it uses less digits than its factorization.

7443743454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055 (or 6049 counting only the distinct ones).

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

The square root of 7443743454 is about 86277.1316978027. The cubic root of 7443743454 is about 1952.5273784922.

The spelling of 7443743454 in words is "seven billion, four hundred forty-three million, seven hundred forty-three thousand, four hundred fifty-four".