32720379 has 8 divisors (see below), whose sum is σ = 43676160. Its totient is φ = 21789096.

The previous prime is 32720371. The next prime is 32720417. The reversal of 32720379 is 97302723.

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

It is not a de Polignac number, because 32720379 - 2³ = 32720371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32720371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2739 + ... + 8540.

It is an arithmetic number, because the mean of its divisors is an integer number (5459520).

Almost surely, 2^32720379 is an apocalyptic number.

32720379 is a deficient number, since it is larger than the sum of its proper divisors (10955781).

32720379 is a wasteful number, since it uses less digits than its factorization.

32720379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12249.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 32720379 is about 5720.1729868947. The cubic root of 32720379 is about 319.8449085694.

It can be divided in two parts, 327 and 20379, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 32720379 in words is "thirty-two million, seven hundred twenty thousand, three hundred seventy-nine".