32720048 has 20 divisors (see below), whose sum is σ = 63487008. Its totient is φ = 16336320.

The previous prime is 32720041. The next prime is 32720063. The reversal of 32720048 is 84002723.

It is a super-2 number, since 2×32720048² = 2141203082244608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32719999 and 32720026.

It is not an unprimeable number, because it can be changed into a prime (32720041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16553 + ... + 18423.

Almost surely, 2^32720048 is an apocalyptic number.

It is an amenable number.

32720048 is a deficient number, since it is larger than the sum of its proper divisors (30766960).

32720048 is a wasteful number, since it uses less digits than its factorization.

32720048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972 (or 2966 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 32720048 is about 5720.1440541301. The cubic root of 32720048 is about 319.8438300466.

The spelling of 32720048 in words is "thirty-two million, seven hundred twenty thousand, forty-eight".