864672270 has 64 divisors (see below), whose sum is σ = 2587286016. Its totient is φ = 179671680.

The previous prime is 864672253. The next prime is 864672307. The reversal of 864672270 is 72276468.

864672270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184849 + ... + 189468.

It is an arithmetic number, because the mean of its divisors is an integer number (40426344).

Almost surely, 2^864672270 is an apocalyptic number.

864672270 is an abundant number, since it is smaller than the sum of its proper divisors (1722613746).

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

864672270 is a wasteful number, since it uses less digits than its factorization.

864672270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374345.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 864672270 is about 29405.3102347178. The cubic root of 864672270 is about 952.6875954036.

The spelling of 864672270 in words is "eight hundred sixty-four million, six hundred seventy-two thousand, two hundred seventy".