800740072 has 32 divisors (see below), whose sum is σ = 1638997920. Its totient is φ = 363723840.

The previous prime is 800740033. The next prime is 800740079. The reversal of 800740072 is 270047008.

It is a self number, because there is not a number n which added to its sum of digits gives 800740072.

It is not an unprimeable number, because it can be changed into a prime (800740079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204598 + ... + 208474.

It is an arithmetic number, because the mean of its divisors is an integer number (51218685).

Almost surely, 2^800740072 is an apocalyptic number.

It is an amenable number.

800740072 is an abundant number, since it is smaller than the sum of its proper divisors (838257848).

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

800740072 is a wasteful number, since it uses less digits than its factorization.

800740072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241 (or 6237 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 800740072 is about 28297.3509714249. The cubic root of 800740072 is about 928.6039376570.

The spelling of 800740072 in words is "eight hundred million, seven hundred forty thousand, seventy-two".