8700072 has 32 divisors (see below), whose sum is σ = 22697280. Its totient is φ = 2773760.

The previous prime is 8700071. The next prime is 8700079. The reversal of 8700072 is 2700078.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (8700071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7329 + ... + 8432.

It is an arithmetic number, because the mean of its divisors is an integer number (709290).

Almost surely, 2^8700072 is an apocalyptic number.

It is an amenable number.

8700072 is an abundant number, since it is smaller than the sum of its proper divisors (13997208).

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

8700072 is a wasteful number, since it uses less digits than its factorization.

8700072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15793 (or 15789 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 8700072 is about 2949.5884458683. The cubic root of 8700072 is about 205.6715789873.

The spelling of 8700072 in words is "eight million, seven hundred thousand, seventy-two".