8672445 has 18 divisors (see below), whose sum is σ = 15066558. Its totient is φ = 4614768.

The previous prime is 8672441. The next prime is 8672471. The reversal of 8672445 is 5442768.

8672445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6937956 + 1734489 = 2634^2 + 1317^2 .

It is not a de Polignac number, because 8672445 - 2² = 8672441 is a prime.

It is a super-2 number, since 2×8672445² = 150422604556050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8672441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19536 + ... + 19974.

It is an arithmetic number, because the mean of its divisors is an integer number (837031).

Almost surely, 2^8672445 is an apocalyptic number.

It is an amenable number.

8672445 is a deficient number, since it is larger than the sum of its proper divisors (6394113).

8672445 is an equidigital number, since it uses as much as digits as its factorization.

8672445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 447 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 8672445 is about 2944.9015263672. The cubic root of 8672445 is about 205.4536453955.

The spelling of 8672445 in words is "eight million, six hundred seventy-two thousand, four hundred forty-five".