75572065 has 8 divisors (see below), whose sum is σ = 90733608. Its totient is φ = 60426240.

The previous prime is 75572051. The next prime is 75572069. The reversal of 75572065 is 56027557.

It can be written as a sum of positive squares in 4 ways, for example, as 39955041 + 35617024 = 6321^2 + 5968^2 .

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

It is not a de Polignac number, because 75572065 - 2⁵ = 75572033 is a prime.

It is a super-2 number, since 2×75572065² = 11422274016728450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75572069) 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, 14625 + ... + 19105.

It is an arithmetic number, because the mean of its divisors is an integer number (11341701).

Almost surely, 2^75572065 is an apocalyptic number.

It is an amenable number.

75572065 is a deficient number, since it is larger than the sum of its proper divisors (15161543).

75572065 is a wasteful number, since it uses less digits than its factorization.

75572065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7859.

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 75572065 is about 8693.2194841727. The cubic root of 75572065 is about 422.7858364786.

The spelling of 75572065 in words is "seventy-five million, five hundred seventy-two thousand, sixty-five".