801732272670 has 192 divisors, whose sum is σ = 2398643380224. Its totient is φ = 181997902080.

The previous prime is 801732272651. The next prime is 801732272701. The reversal of 801732272670 is 76272237108.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 93842419 + ... + 93850961.

It is an arithmetic number, because the mean of its divisors is an integer number (12492934272).

Almost surely, 2^801732272670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 801732272670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1199321690112).

801732272670 is an abundant number, since it is smaller than the sum of its proper divisors (1596911107554).

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

801732272670 is a wasteful number, since it uses less digits than its factorization.

801732272670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9567 (or 9564 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 801732272670 in words is "eight hundred one billion, seven hundred thirty-two million, two hundred seventy-two thousand, six hundred seventy".