7443887382 has 12 divisors (see below), whose sum is σ = 16128422700. Its totient is φ = 2481295788.

The previous prime is 7443887351. The next prime is 7443887411. The reversal of 7443887382 is 2837883447.

It is a super-2 number, since 2×7443887382² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206774632 + ... + 206774667.

It is an arithmetic number, because the mean of its divisors is an integer number (1344035225).

Almost surely, 2^7443887382 is an apocalyptic number.

7443887382 is an abundant number, since it is smaller than the sum of its proper divisors (8684535318).

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

7443887382 is a wasteful number, since it uses less digits than its factorization.

7443887382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413549307 (or 413549304 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 54.

The square root of 7443887382 is about 86277.9657966042. The cubic root of 7443887382 is about 1952.5399627316.

The spelling of 7443887382 in words is "seven billion, four hundred forty-three million, eight hundred eighty-seven thousand, three hundred eighty-two".