32494720 has 32 divisors (see below), whose sum is σ = 77684220. Its totient is φ = 12997632.

The previous prime is 32494717. The next prime is 32494733. The reversal of 32494720 is 2749423.

It can be written as a sum of positive squares in 2 ways, for example, as 32353344 + 141376 = 5688^2 + 376^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

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, 24747 + ... + 26026.

Almost surely, 2^32494720 is an apocalyptic number.

It is an amenable number.

32494720 is an abundant number, since it is smaller than the sum of its proper divisors (45189500).

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

32494720 is an equidigital number, since it uses as much as digits as its factorization.

32494720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50792 (or 50780 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 32494720 is about 5700.4140200515. The cubic root of 32494720 is about 319.1079321492.

The spelling of 32494720 in words is "thirty-two million, four hundred ninety-four thousand, seven hundred twenty".