8200072 has 8 divisors (see below), whose sum is σ = 15375150. Its totient is φ = 4100032.

The previous prime is 8200061. The next prime is 8200079. The reversal of 8200072 is 2700028.

It can be written as a sum of positive squares in only one way, i.e., 8145316 + 54756 = 2854^2 + 234^2 .

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

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8200079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512497 + ... + 512512.

Almost surely, 2^8200072 is an apocalyptic number.

It is an amenable number.

8200072 is a deficient number, since it is larger than the sum of its proper divisors (7175078).

8200072 is a wasteful number, since it uses less digits than its factorization.

8200072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025015 (or 1025011 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 8200072 is about 2863.5767843730. The cubic root of 8200072 is about 201.6535577239.

The spelling of 8200072 in words is "eight million, two hundred thousand, seventy-two".