32730198 has 16 divisors (see below), whose sum is σ = 68905920. Its totient is φ = 10335816.

The previous prime is 32730157. The next prime is 32730199. The reversal of 32730198 is 89103723.

It is a super-2 number, since 2×32730198² = 2142531722238408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32730199) 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, 143440 + ... + 143667.

It is an arithmetic number, because the mean of its divisors is an integer number (4306620).

Almost surely, 2^32730198 is an apocalyptic number.

32730198 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

32730198 is an abundant number, since it is smaller than the sum of its proper divisors (36175722).

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

32730198 is a wasteful number, since it uses less digits than its factorization.

32730198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287131.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 32730198 is about 5721.0312007539. The cubic root of 32730198 is about 319.8768992651.

The spelling of 32730198 in words is "thirty-two million, seven hundred thirty thousand, one hundred ninety-eight".