872428073 has 8 divisors (see below), whose sum is σ = 1001831520. Its totient is φ = 751373280.

The previous prime is 872428057. The next prime is 872428091. The reversal of 872428073 is 370824278.

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 872428073 - 2⁴ = 872428057 is a prime.

It is a super-2 number, since 2×872428073² = 1522261485116986658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 872428073.

It is not an unprimeable number, because it can be changed into a prime (872428003) 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, 2086940 + ... + 2087357.

It is an arithmetic number, because the mean of its divisors is an integer number (125228940).

Almost surely, 2^872428073 is an apocalyptic number.

It is an amenable number.

872428073 is a deficient number, since it is larger than the sum of its proper divisors (129403447).

872428073 is a wasteful number, since it uses less digits than its factorization.

872428073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174327.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 872428073 is about 29536.8934216176. The cubic root of 872428073 is about 955.5275442067.

The spelling of 872428073 in words is "eight hundred seventy-two million, four hundred twenty-eight thousand, seventy-three".