32780830 has 8 divisors (see below), whose sum is σ = 59005512. Its totient is φ = 13112328.

The previous prime is 32780821. The next prime is 32780831. The reversal of 32780830 is 3808723.

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

It is a junction number, because it is equal to n+sod(n) for n = 32780792 and 32780801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32780831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1639032 + ... + 1639051.

It is an arithmetic number, because the mean of its divisors is an integer number (7375689).

Almost surely, 2^32780830 is an apocalyptic number.

32780830 is a deficient number, since it is larger than the sum of its proper divisors (26224682).

32780830 is a wasteful number, since it uses less digits than its factorization.

32780830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278090.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 32780830 is about 5725.4545671064. The cubic root of 32780830 is about 320.0417588733.

The spelling of 32780830 in words is "thirty-two million, seven hundred eighty thousand, eight hundred thirty".