32720087 has 8 divisors (see below), whose sum is σ = 34708176. Its totient is φ = 30739072.

The previous prime is 32720063. The next prime is 32720117. The reversal of 32720087 is 78002723.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32720087 - 2⁸ = 32719831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32720287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10088 + ... + 12930.

It is an arithmetic number, because the mean of its divisors is an integer number (4338522).

Almost surely, 2^32720087 is an apocalyptic number.

32720087 is a deficient number, since it is larger than the sum of its proper divisors (1988089).

32720087 is a wasteful number, since it uses less digits than its factorization.

32720087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3537.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 32720087 is about 5720.1474631341. The cubic root of 32720087 is about 319.8439571237.

The spelling of 32720087 in words is "thirty-two million, seven hundred twenty thousand, eighty-seven".