75966530 has 8 divisors (see below), whose sum is σ = 136739772. Its totient is φ = 30386608.

The previous prime is 75966529. The next prime is 75966559. The reversal of 75966530 is 3566957.

It can be written as a sum of positive squares in 2 ways, for example, as 72914521 + 3052009 = 8539^2 + 1747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×75966530⁴ (a number of 33 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3798317 + ... + 3798336.

Almost surely, 2^75966530 is an apocalyptic number.

75966530 is a deficient number, since it is larger than the sum of its proper divisors (60773242).

75966530 is a wasteful number, since it uses less digits than its factorization.

75966530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7596660.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 75966530 is about 8715.8780395322. The cubic root of 75966530 is about 423.5201681481.

The spelling of 75966530 in words is "seventy-five million, nine hundred sixty-six thousand, five hundred thirty".