872865073 has 8 divisors (see below), whose sum is σ = 928279520. Its totient is φ = 818398080.

The previous prime is 872865067. The next prime is 872865083. The reversal of 872865073 is 370568278.

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

It is a cyclic number.

It is not a de Polignac number, because 872865073 - 2⁹ = 872864561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872865053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234963 + ... + 238648.

It is an arithmetic number, because the mean of its divisors is an integer number (116034940).

Almost surely, 2^872865073 is an apocalyptic number.

It is an amenable number.

872865073 is a deficient number, since it is larger than the sum of its proper divisors (55414447).

872865073 is a wasteful number, since it uses less digits than its factorization.

872865073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473727.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 872865073 is about 29544.2900236239. The cubic root of 872865073 is about 955.6870591091.

The spelling of 872865073 in words is "eight hundred seventy-two million, eight hundred sixty-five thousand, seventy-three".