32575240 has 16 divisors (see below), whose sum is σ = 73294380. Its totient is φ = 13030080.

The previous prime is 32575229. The next prime is 32575243. The reversal of 32575240 is 4257523.

It can be written as a sum of positive squares in 2 ways, for example, as 29746116 + 2829124 = 5454^2 + 1682^2 .

It is a super-2 number, since 2×32575240² = 2122292522115200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32575199 and 32575208.

It is not an unprimeable number, because it can be changed into a prime (32575243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407151 + ... + 407230.

Almost surely, 2^32575240 is an apocalyptic number.

It is an amenable number.

32575240 is an abundant number, since it is smaller than the sum of its proper divisors (40719140).

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

32575240 is a wasteful number, since it uses less digits than its factorization.

32575240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814392 (or 814388 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 32575240 is about 5707.4722951583. The cubic root of 32575240 is about 319.3712916187.

The spelling of 32575240 in words is "thirty-two million, five hundred seventy-five thousand, two hundred forty".