32720796 has 18 divisors (see below), whose sum is σ = 82710992. Its totient is φ = 10906920.

The previous prime is 32720791. The next prime is 32720797. The reversal of 32720796 is 69702723.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 908911 = 32720796 / (3 + 2 + 7 + 2 + 0 + 7 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 32720796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32720791) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 454420 + ... + 454491.

Almost surely, 2^32720796 is an apocalyptic number.

32720796 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

32720796 is an abundant number, since it is smaller than the sum of its proper divisors (49990196).

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

32720796 is a wasteful number, since it uses less digits than its factorization.

32720796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908921 (or 908916 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 32720796 is about 5720.2094367252. The cubic root of 32720796 is about 319.8462673022.

The spelling of 32720796 in words is "thirty-two million, seven hundred twenty thousand, seven hundred ninety-six".