75006530 has 32 divisors (see below), whose sum is σ = 138568320. Its totient is φ = 29223040.

The previous prime is 75006527. The next prime is 75006559. The reversal of 75006530 is 3560057.

It is a self number, because there is not a number n which added to its sum of digits gives 75006530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62597 + ... + 63783.

It is an arithmetic number, because the mean of its divisors is an integer number (4330260).

Almost surely, 2^75006530 is an apocalyptic number.

75006530 is a deficient number, since it is larger than the sum of its proper divisors (63561790).

75006530 is a wasteful number, since it uses less digits than its factorization.

75006530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 75006530 is about 8660.6310393643. The cubic root of 75006530 is about 421.7285714408.

Adding to 75006530 its reverse (3560057), we get a palindrome (78566587).

The spelling of 75006530 in words is "seventy-five million, six thousand, five hundred thirty".