8621072 has 10 divisors (see below), whose sum is σ = 16703358. Its totient is φ = 4310528.

The previous prime is 8621051. The next prime is 8621077. The reversal of 8621072 is 2701268.

It can be written as a sum of positive squares in only one way, i.e., 8386816 + 234256 = 2896^2 + 484^2 .

It is not an unprimeable number, because it can be changed into a prime (8621077) 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 as a sum of consecutive naturals, namely, 269393 + ... + 269424.

Almost surely, 2^8621072 is an apocalyptic number.

It is an amenable number.

8621072 is a deficient number, since it is larger than the sum of its proper divisors (8082286).

8621072 is a wasteful number, since it uses less digits than its factorization.

8621072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538825 (or 538819 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 8621072 is about 2936.1662078295. The cubic root of 8621072 is about 205.0471594854.

The spelling of 8621072 in words is "eight million, six hundred twenty-one thousand, seventy-two".