7072181200838 has 32 divisors (see below), whose sum is σ = 12043440444000. Its totient is φ = 3087694826496.

The previous prime is 7072181200837. The next prime is 7072181200853. The reversal of 7072181200838 is 8380021812707.

It is a junction number, because it is equal to n+sod(n) for n = 7072181200792 and 7072181200801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7072181200837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10303613 + ... + 10968536.

It is an arithmetic number, because the mean of its divisors is an integer number (376357513875).

Almost surely, 2^{7072181200838} is an apocalyptic number.

7072181200838 is a deficient number, since it is larger than the sum of its proper divisors (4971259243162).

7072181200838 is a wasteful number, since it uses less digits than its factorization.

7072181200838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21272856.

The product of its (nonzero) digits is 301056, while the sum is 47.

The spelling of 7072181200838 in words is "seven trillion, seventy-two billion, one hundred eighty-one million, two hundred thousand, eight hundred thirty-eight".