869574132 has 72 divisors (see below), whose sum is σ = 2529072000. Its totient is φ = 246771648.

The previous prime is 869574113. The next prime is 869574217. The reversal of 869574132 is 231475968.

869574132 is a `hidden beast` number, since 8 + 69 + 574 + 13 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25969 + ... + 49127.

It is an arithmetic number, because the mean of its divisors is an integer number (35126000).

Almost surely, 2^869574132 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 869574132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1264536000).

869574132 is an abundant number, since it is smaller than the sum of its proper divisors (1659497868).

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

869574132 is a wasteful number, since it uses less digits than its factorization.

869574132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23325 (or 23320 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 869574132 is about 29488.5423851366. The cubic root of 869574132 is about 954.4844789448.

The spelling of 869574132 in words is "eight hundred sixty-nine million, five hundred seventy-four thousand, one hundred thirty-two".