75632345 has 4 divisors (see below), whose sum is σ = 90758820. Its totient is φ = 60505872.

The previous prime is 75632327. The next prime is 75632351. The reversal of 75632345 is 54323657.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12652249 + 62980096 = 3557^2 + 7936^2 .

It is a cyclic number.

It is not a de Polignac number, because 75632345 - 2¹² = 75628249 is a prime.

It is a super-2 number, since 2×75632345² = 11440503220398050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7563230 + ... + 7563239.

It is an arithmetic number, because the mean of its divisors is an integer number (22689705).

Almost surely, 2^75632345 is an apocalyptic number.

It is an amenable number.

75632345 is a deficient number, since it is larger than the sum of its proper divisors (15126475).

75632345 is a wasteful number, since it uses less digits than its factorization.

75632345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15126474.

The product of its digits is 75600, while the sum is 35.

The square root of 75632345 is about 8696.6858630170. The cubic root of 75632345 is about 422.8982182035.

The spelling of 75632345 in words is "seventy-five million, six hundred thirty-two thousand, three hundred forty-five".