32870432 has 24 divisors (see below), whose sum is σ = 73958976. Its totient is φ = 14087232.

The previous prime is 32870429. The next prime is 32870449. The reversal of 32870432 is 23407823.

It is a junction number, because it is equal to n+sod(n) for n = 32870395 and 32870404.

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, 73148 + ... + 73595.

It is an arithmetic number, because the mean of its divisors is an integer number (3081624).

Almost surely, 2^32870432 is an apocalyptic number.

32870432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32870432 is an abundant number, since it is smaller than the sum of its proper divisors (41088544).

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

32870432 is a wasteful number, since it uses less digits than its factorization.

32870432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146760 (or 146752 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 32870432 is about 5733.2741082212. The cubic root of 32870432 is about 320.3330906629. Note that the first 3 decimals are identical.

The spelling of 32870432 in words is "thirty-two million, eight hundred seventy thousand, four hundred thirty-two".