7438344068 has 12 divisors (see below), whose sum is σ = 13021961820. Its totient is φ = 3717783552.

The previous prime is 7438344047. The next prime is 7438344091. The reversal of 7438344068 is 8604438347.

It can be written as a sum of positive squares in 2 ways, for example, as 828979264 + 6609364804 = 28792^2 + 81298^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335021 + ... + 356532.

It is an arithmetic number, because the mean of its divisors is an integer number (1085163485).

Almost surely, 2^7438344068 is an apocalyptic number.

It is an amenable number.

7438344068 is a deficient number, since it is larger than the sum of its proper divisors (5583617752).

7438344068 is a wasteful number, since it uses less digits than its factorization.

7438344068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694246 (or 694244 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 47.

The square root of 7438344068 is about 86245.8350762517. The cubic root of 7438344068 is about 1952.0551698916.

The spelling of 7438344068 in words is "seven billion, four hundred thirty-eight million, three hundred forty-four thousand, sixty-eight".