75464065 has 4 divisors (see below), whose sum is σ = 90556884. Its totient is φ = 60371248.

The previous prime is 75464047. The next prime is 75464087. The reversal of 75464065 is 56046457.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34963569 + 40500496 = 5913^2 + 6364^2 .

It is a cyclic number.

It is not a de Polignac number, because 75464065 - 2⁵ = 75464033 is a prime.

It is a Duffinian number.

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, 7546402 + ... + 7546411.

It is an arithmetic number, because the mean of its divisors is an integer number (22639221).

Almost surely, 2^75464065 is an apocalyptic number.

It is an amenable number.

75464065 is a deficient number, since it is larger than the sum of its proper divisors (15092819).

75464065 is a wasteful number, since it uses less digits than its factorization.

75464065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15092818.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 75464065 is about 8687.0055254961. The cubic root of 75464065 is about 422.5843394531.

It can be divided in two parts, 7546 and 4065, that added together give a palindrome (11611).

The spelling of 75464065 in words is "seventy-five million, four hundred sixty-four thousand, sixty-five".