75666632 has 16 divisors (see below), whose sum is σ = 142327260. Its totient is φ = 37712704.

The previous prime is 75666631. The next prime is 75666649. The reversal of 75666632 is 23666657.

It can be written as a sum of positive squares in 2 ways, for example, as 54081316 + 21585316 = 7354^2 + 4646^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75666632.

It is not an unprimeable number, because it can be changed into a prime (75666631) 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, 12383 + ... + 17454.

Almost surely, 2^75666632 is an apocalyptic number.

It is an amenable number.

75666632 is a deficient number, since it is larger than the sum of its proper divisors (66660628).

75666632 is a wasteful number, since it uses less digits than its factorization.

75666632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30160 (or 30156 counting only the distinct ones).

The product of its digits is 272160, while the sum is 41.

The square root of 75666632 is about 8698.6569078220. The cubic root of 75666632 is about 422.9621137967.

The spelling of 75666632 in words is "seventy-five million, six hundred sixty-six thousand, six hundred thirty-two".