75730065 has 8 divisors (see below), whose sum is σ = 121168128. Its totient is φ = 40389360.

The previous prime is 75730063. The next prime is 75730069. The reversal of 75730065 is 56003757.

It is a happy number.

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

It is not a de Polignac number, because 75730065 - 2¹ = 75730063 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75730063) 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, 2524321 + ... + 2524350.

It is an arithmetic number, because the mean of its divisors is an integer number (15146016).

Almost surely, 2^75730065 is an apocalyptic number.

It is an amenable number.

75730065 is a deficient number, since it is larger than the sum of its proper divisors (45438063).

75730065 is a wasteful number, since it uses less digits than its factorization.

75730065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048679.

The product of its (nonzero) digits is 22050, while the sum is 33.

The square root of 75730065 is about 8702.3022815804. The cubic root of 75730065 is about 423.0802735950.

The spelling of 75730065 in words is "seventy-five million, seven hundred thirty thousand, sixty-five".