72038887170 has 64 divisors (see below), whose sum is σ = 179034264576. Its totient is φ = 18531959040.

The previous prime is 72038887159. The next prime is 72038887171. The reversal of 72038887170 is 7178883027.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72038887171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172632 + ... + 416988.

It is an arithmetic number, because the mean of its divisors is an integer number (2797410384).

Almost surely, 2^72038887170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72038887170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89517132288).

72038887170 is an abundant number, since it is smaller than the sum of its proper divisors (106995377406).

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

72038887170 is a wasteful number, since it uses less digits than its factorization.

72038887170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244715.

The product of its (nonzero) digits is 1053696, while the sum is 51.

The spelling of 72038887170 in words is "seventy-two billion, thirty-eight million, eight hundred eighty-seven thousand, one hundred seventy".