32878732 has 24 divisors (see below), whose sum is σ = 58776480. Its totient is φ = 16089600.

The previous prime is 32878723. The next prime is 32878739. The reversal of 32878732 is 23787823.

It is a super-2 number, since 2×32878732² = 2162022035855648, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (32878739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38769 + ... + 39607.

It is an arithmetic number, because the mean of its divisors is an integer number (2449020).

Almost surely, 2^32878732 is an apocalyptic number.

It is an amenable number.

32878732 is a deficient number, since it is larger than the sum of its proper divisors (25897748).

32878732 is a wasteful number, since it uses less digits than its factorization.

32878732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041 (or 1039 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 32878732 is about 5733.9979072197. The cubic root of 32878732 is about 320.3600504637.

Subtracting from 32878732 its reverse (23787823), we obtain a palindrome (9090909).

The spelling of 32878732 in words is "thirty-two million, eight hundred seventy-eight thousand, seven hundred thirty-two".