801550072 has 8 divisors (see below), whose sum is σ = 1502906400. Its totient is φ = 400775032.

The previous prime is 801550049. The next prime is 801550133. The reversal of 801550072 is 270055108.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 801550072.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50096872 + ... + 50096887.

It is an arithmetic number, because the mean of its divisors is an integer number (187863300).

Almost surely, 2^801550072 is an apocalyptic number.

It is an amenable number.

801550072 is a deficient number, since it is larger than the sum of its proper divisors (701356328).

801550072 is a wasteful number, since it uses less digits than its factorization.

801550072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100193765 (or 100193761 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 801550072 is about 28311.6596475728. The cubic root of 801550072 is about 928.9169463081.

The spelling of 801550072 in words is "eight hundred one million, five hundred fifty thousand, seventy-two".