75757332 has 72 divisors (see below), whose sum is σ = 216481440. Its totient is φ = 20502720.

The previous prime is 75757307. The next prime is 75757393. The reversal of 75757332 is 23375757.

It is a happy number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 7782 + ... + 14562.

Almost surely, 2^75757332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75757332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108240720).

75757332 is an abundant number, since it is smaller than the sum of its proper divisors (140724108).

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

75757332 is a wasteful number, since it uses less digits than its factorization.

75757332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821 (or 6812 counting only the distinct ones).

The product of its digits is 154350, while the sum is 39.

The square root of 75757332 is about 8703.8687949670. The cubic root of 75757332 is about 423.1310449126.

The spelling of 75757332 in words is "seventy-five million, seven hundred fifty-seven thousand, three hundred thirty-two".