873540528 has 160 divisors (see below), whose sum is σ = 2669162496. Its totient is φ = 241000704.

The previous prime is 873540527. The next prime is 873540539. The reversal of 873540528 is 825045378.

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

It is a self number, because there is not a number n which added to its sum of digits gives 873540528.

It is not an unprimeable number, because it can be changed into a prime (873540527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1487851 + ... + 1488437.

Almost surely, 2^873540528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 873540528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334581248).

873540528 is an abundant number, since it is smaller than the sum of its proper divisors (1795621968).

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

873540528 is a wasteful number, since it uses less digits than its factorization.

873540528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 873540528 is about 29555.7190404835. The cubic root of 873540528 is about 955.9335107788.

The spelling of 873540528 in words is "eight hundred seventy-three million, five hundred forty thousand, five hundred twenty-eight".