738673844738 has 8 divisors (see below), whose sum is σ = 1108849537740. Its totient is φ = 369057332160.

The previous prime is 738673844731. The next prime is 738673844747. The reversal of 738673844738 is 837448376837.

It can be written as a sum of positive squares in 2 ways, for example, as 708194620849 + 30479223889 = 841543^2 + 174583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (738673844731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139791803 + ... + 139797086.

Almost surely, 2^738673844738 is an apocalyptic number.

738673844738 is a deficient number, since it is larger than the sum of its proper divisors (370175693002).

738673844738 is a wasteful number, since it uses less digits than its factorization.

738673844738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279590212.

The product of its digits is 455196672, while the sum is 68.

The spelling of 738673844738 in words is "seven hundred thirty-eight billion, six hundred seventy-three million, eight hundred forty-four thousand, seven hundred thirty-eight".