75132322 has 4 divisors (see below), whose sum is σ = 112698486. Its totient is φ = 37566160.

The previous prime is 75132319. The next prime is 75132349. The reversal of 75132322 is 22323157.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55338721 + 19793601 = 7439^2 + 4449^2 .

It is a super-2 number, since 2×75132322² = 11289731618223368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18783079 + ... + 18783082.

Almost surely, 2^75132322 is an apocalyptic number.

75132322 is a deficient number, since it is larger than the sum of its proper divisors (37566164).

75132322 is a wasteful number, since it uses less digits than its factorization.

75132322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37566163.

The product of its digits is 2520, while the sum is 25.

The square root of 75132322 is about 8667.8902854155. The cubic root of 75132322 is about 421.9641973774.

Adding to 75132322 its reverse (22323157), we get a palindrome (97455479).

The spelling of 75132322 in words is "seventy-five million, one hundred thirty-two thousand, three hundred twenty-two".