32664830 has 32 divisors (see below), whose sum is σ = 66935808. Its totient is φ = 11360800.

The previous prime is 32664791. The next prime is 32664833. The reversal of 32664830 is 3846623.

It is a super-2 number, since 2×32664830² = 2133982237857800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32664833) 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 15 ways as a sum of consecutive naturals, for example, 3926 + ... + 8985.

It is an arithmetic number, because the mean of its divisors is an integer number (2091744).

Almost surely, 2^32664830 is an apocalyptic number.

32664830 is an abundant number, since it is smaller than the sum of its proper divisors (34270978).

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

32664830 is a wasteful number, since it uses less digits than its factorization.

32664830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12952.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 32664830 is about 5715.3153893727. The cubic root of 32664830 is about 319.6638070747.

It can be divided in two parts, 326 and 64830, that added together give a palindrome (65156).

The spelling of 32664830 in words is "thirty-two million, six hundred sixty-four thousand, eight hundred thirty".