75009532 has 48 divisors (see below), whose sum is σ = 150151680. Its totient is φ = 32522688.

The previous prime is 75009527. The next prime is 75009589. The reversal of 75009532 is 23590057.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 75009494 and 75009503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70033 + ... + 71095.

It is an arithmetic number, because the mean of its divisors is an integer number (3128160).

Almost surely, 2^75009532 is an apocalyptic number.

It is an amenable number.

75009532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

75009532 is a wasteful number, since it uses less digits than its factorization.

75009532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162 (or 1160 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 75009532 is about 8660.8043506363. The cubic root of 75009532 is about 421.7341976722.

Adding to 75009532 its reverse (23590057), we get a palindrome (98599589).

The spelling of 75009532 in words is "seventy-five million, nine thousand, five hundred thirty-two".