75432532 has 24 divisors (see below), whose sum is σ = 151126976. Its totient is φ = 32272128.

The previous prime is 75432523. The next prime is 75432547. The reversal of 75432532 is 23523457.

It is a junction number, because it is equal to n+sod(n) for n = 75432494 and 75432503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16843 + ... + 20845.

Almost surely, 2^75432532 is an apocalyptic number.

It is an amenable number.

75432532 is an abundant number, since it is smaller than the sum of its proper divisors (75694444).

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

75432532 is a wasteful number, since it uses less digits than its factorization.

75432532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687 (or 4685 counting only the distinct ones).

The product of its digits is 25200, while the sum is 31.

The square root of 75432532 is about 8685.1903836358. The cubic root of 75432532 is about 422.5254716621.

Adding to 75432532 its reverse (23523457), we get a palindrome (98955989).

The spelling of 75432532 in words is "seventy-five million, four hundred thirty-two thousand, five hundred thirty-two".