872230642 has 8 divisors (see below), whose sum is σ = 1308903516. Its totient is φ = 435929472.

The previous prime is 872230561. The next prime is 872230687. The reversal of 872230642 is 246032278.

It can be written as a sum of positive squares in 2 ways, for example, as 795860521 + 76370121 = 28211^2 + 8739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 872230598 and 872230607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86983 + ... + 96490.

Almost surely, 2^872230642 is an apocalyptic number.

872230642 is a deficient number, since it is larger than the sum of its proper divisors (436672874).

872230642 is a wasteful number, since it uses less digits than its factorization.

872230642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185852.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 872230642 is about 29533.5511241029. The cubic root of 872230642 is about 955.4554599487.

The spelling of 872230642 in words is "eight hundred seventy-two million, two hundred thirty thousand, six hundred forty-two".