872573670 has 96 divisors (see below), whose sum is σ = 2422068480. Its totient is φ = 217304640.

The previous prime is 872573641. The next prime is 872573743. The reversal of 872573670 is 76375278.

872573670 is a `hidden beast` number, since 8 + 7 + 2 + 573 + 6 + 70 = 666.

It is a super-2 number, since 2×872573670² = 1522769619154537800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117817 + ... + 125003.

It is an arithmetic number, because the mean of its divisors is an integer number (25229880).

Almost surely, 2^872573670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 872573670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1211034240).

872573670 is an abundant number, since it is smaller than the sum of its proper divisors (1549494810).

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

872573670 is a wasteful number, since it uses less digits than its factorization.

872573670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7290 (or 7287 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 872573670 is about 29539.3579821905. The cubic root of 872573670 is about 955.5806963269.

The spelling of 872573670 in words is "eight hundred seventy-two million, five hundred seventy-three thousand, six hundred seventy".