738673936722 has 18 divisors (see below), whose sum is σ = 1600468096773. Its totient is φ = 246223430112.

The previous prime is 738673936699. The next prime is 738673936727. The reversal of 738673936722 is 227639376837.

It can be written as a sum of positive squares in 2 ways, for example, as 731142994761 + 7530941961 = 855069^2 + 86781^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=607731.

It is a super-3 number, since 3×738673936722³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 738673936722.

It is not an unprimeable number, because it can be changed into a prime (738673936727) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3545098 + ... + 3747674.

Almost surely, 2^738673936722 is an apocalyptic number.

738673936722 is an abundant number, since it is smaller than the sum of its proper divisors (861794160051).

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

738673936722 is an frugal number, since it uses more digits than its factorization.

738673936722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405162 (or 202582 counting only the distinct ones).

The product of its digits is 96018048, while the sum is 63.

The spelling of 738673936722 in words is "seven hundred thirty-eight billion, six hundred seventy-three million, nine hundred thirty-six thousand, seven hundred twenty-two".