75641532 has 12 divisors (see below), whose sum is σ = 176496936. Its totient is φ = 25213840.

The previous prime is 75641509. The next prime is 75641543. The reversal of 75641532 is 23514657.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 75641493 and 75641502.

It is a congruent number.

It is an unprimeable number.

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, 3151719 + ... + 3151742.

It is an arithmetic number, because the mean of its divisors is an integer number (14708078).

Almost surely, 2^75641532 is an apocalyptic number.

It is an amenable number.

75641532 is an abundant number, since it is smaller than the sum of its proper divisors (100855404).

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

75641532 is a wasteful number, since it uses less digits than its factorization.

75641532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303468 (or 6303466 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 75641532 is about 8697.2140366901. The cubic root of 75641532 is about 422.9153405455.

The spelling of 75641532 in words is "seventy-five million, six hundred forty-one thousand, five hundred thirty-two".