32728964 has 24 divisors (see below), whose sum is σ = 58776480. Its totient is φ = 15941376.

The previous prime is 32728951. The next prime is 32728973. The reversal of 32728964 is 46982723.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25367 + ... + 26625.

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

Almost surely, 2^32728964 is an apocalyptic number.

It is an amenable number.

32728964 is a deficient number, since it is larger than the sum of its proper divisors (26047516).

32728964 is a wasteful number, since it uses less digits than its factorization.

32728964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427 (or 1425 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 32728964 is about 5720.9233520473. The cubic root of 32728964 is about 319.8728791951.

The spelling of 32728964 in words is "thirty-two million, seven hundred twenty-eight thousand, nine hundred sixty-four".