8007172 has 6 divisors (see below), whose sum is σ = 14012558. Its totient is φ = 4003584.

The previous prime is 8007143. The next prime is 8007173. The reversal of 8007172 is 2717008.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7311616 + 695556 = 2704^2 + 834^2 .

It is a super-2 number, since 2×8007172² = 128229606875168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8007173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000893 + ... + 1000900.

Almost surely, 2^8007172 is an apocalyptic number.

It is an amenable number.

8007172 is a deficient number, since it is larger than the sum of its proper divisors (6005386).

8007172 is a wasteful number, since it uses less digits than its factorization.

8007172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001797 (or 2001795 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 8007172 is about 2829.6946831770. The cubic root of 8007172 is about 200.0597488153.

The spelling of 8007172 in words is "eight million, seven thousand, one hundred seventy-two".