75320332 has 12 divisors (see below), whose sum is σ = 138748120. Its totient is φ = 35678016.

The previous prime is 75320317. The next prime is 75320339. The reversal of 75320332 is 23302357.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 75320297 and 75320306.

It is not an unprimeable number, because it can be changed into a prime (75320339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495453 + ... + 495604.

Almost surely, 2^75320332 is an apocalyptic number.

It is an amenable number.

75320332 is a deficient number, since it is larger than the sum of its proper divisors (63427788).

75320332 is a wasteful number, since it uses less digits than its factorization.

75320332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991080 (or 991078 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 75320332 is about 8678.7287087453. The cubic root of 75320332 is about 422.3158764957.

Adding to 75320332 its reverse (23302357), we get a palindrome (98622689).

The spelling of 75320332 in words is "seventy-five million, three hundred twenty thousand, three hundred thirty-two".