75006529 has 8 divisors (see below), whose sum is σ = 80848040. Its totient is φ = 69175296.

The previous prime is 75006527. The next prime is 75006559. The reversal of 75006529 is 92560057.

It can be written as a sum of positive squares in 4 ways, for example, as 1046529 + 73960000 = 1023^2 + 8600^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 75006529 - 2¹ = 75006527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75006494 and 75006503.

It is not an unprimeable number, because it can be changed into a prime (75006527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19969 + ... + 23425.

It is an arithmetic number, because the mean of its divisors is an integer number (10106005).

Almost surely, 2^75006529 is an apocalyptic number.

It is an amenable number.

75006529 is a deficient number, since it is larger than the sum of its proper divisors (5841511).

75006529 is a wasteful number, since it uses less digits than its factorization.

75006529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 75006529 is about 8660.6309816318. The cubic root of 75006529 is about 421.7285695666.

The spelling of 75006529 in words is "seventy-five million, six thousand, five hundred twenty-nine".