32748330 has 64 divisors (see below), whose sum is σ = 81664128. Its totient is φ = 8398080.

The previous prime is 32748301. The next prime is 32748371. The reversal of 32748330 is 3384723.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180840 + ... + 181020.

It is an arithmetic number, because the mean of its divisors is an integer number (1276002).

Almost surely, 2^32748330 is an apocalyptic number.

32748330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32748330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40832064).

32748330 is an abundant number, since it is smaller than the sum of its proper divisors (48915798).

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

32748330 is a wasteful number, since it uses less digits than its factorization.

32748330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 32748330 is about 5722.6156606922. The cubic root of 32748330 is about 319.9359572358.

The spelling of 32748330 in words is "thirty-two million, seven hundred forty-eight thousand, three hundred thirty".