32997330 has 48 divisors (see below), whose sum is σ = 88568064. Its totient is φ = 8514720.

The previous prime is 32997317. The next prime is 32997347. The reversal of 32997330 is 3379923.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3124 + ... + 8703.

It is an arithmetic number, because the mean of its divisors is an integer number (1845168).

Almost surely, 2^32997330 is an apocalyptic number.

32997330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32997330 is an abundant number, since it is smaller than the sum of its proper divisors (55570734).

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

32997330 is a wasteful number, since it uses less digits than its factorization.

32997330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871 (or 11868 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 36.

The square root of 32997330 is about 5744.3302481664. The cubic root of 32997330 is about 320.7447821434.

The spelling of 32997330 in words is "thirty-two million, nine hundred ninety-seven thousand, three hundred thirty".