8464657072 has 20 divisors (see below), whose sum is σ = 16471897120. Its totient is φ = 4213844928.

The previous prime is 8464657057. The next prime is 8464657079. The reversal of 8464657072 is 2707564648.

It is a super-2 number, since 2×8464657072² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8464657079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151448 + ... + 1158775.

It is an arithmetic number, because the mean of its divisors is an integer number (823594856).

Almost surely, 2^8464657072 is an apocalyptic number.

It is an amenable number.

8464657072 is a deficient number, since it is larger than the sum of its proper divisors (8007240048).

8464657072 is a wasteful number, since it uses less digits than its factorization.

8464657072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310460 (or 2310454 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The square root of 8464657072 is about 92003.5709741747. The cubic root of 8464657072 is about 2037.9950402485.

The spelling of 8464657072 in words is "eight billion, four hundred sixty-four million, six hundred fifty-seven thousand, seventy-two".