72120275070 has 16 divisors (see below), whose sum is σ = 173088660240. Its totient is φ = 19232073344.

The previous prime is 72120275053. The next prime is 72120275111. The reversal of 72120275070 is 7057202127.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202004555 + ... + 1202004614.

It is an arithmetic number, because the mean of its divisors is an integer number (10818041265).

Almost surely, 2^72120275070 is an apocalyptic number.

72120275070 is an abundant number, since it is smaller than the sum of its proper divisors (100968385170).

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

72120275070 is a wasteful number, since it uses less digits than its factorization.

72120275070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404009179.

The product of its (nonzero) digits is 13720, while the sum is 33.

Adding to 72120275070 its reverse (7057202127), we get a palindrome (79177477197).

The spelling of 72120275070 in words is "seventy-two billion, one hundred twenty million, two hundred seventy-five thousand, seventy".