75516065 has 8 divisors (see below), whose sum is σ = 90697320. Its totient is φ = 60360832.

The previous prime is 75516053. The next prime is 75516073. The reversal of 75516065 is 56061557.

It can be written as a sum of positive squares in 4 ways, for example, as 1263376 + 74252689 = 1124^2 + 8617^2 .

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 75516065 - 2¹⁴ = 75499681 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587 + ... + 12303.

It is an arithmetic number, because the mean of its divisors is an integer number (11337165).

Almost surely, 2^75516065 is an apocalyptic number.

It is an amenable number.

75516065 is a deficient number, since it is larger than the sum of its proper divisors (15181255).

75516065 is a wasteful number, since it uses less digits than its factorization.

75516065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13011.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 75516065 is about 8689.9979861908. The cubic root of 75516065 is about 422.6813805206.

Adding to 75516065 its sum of digits (35), we get a square (75516100 = 8690²).

The spelling of 75516065 in words is "seventy-five million, five hundred sixteen thousand, sixty-five".