75830761 has 4 divisors (see below), whose sum is σ = 80291412. Its totient is φ = 71370112.

The previous prime is 75830749. The next prime is 75830779. The reversal of 75830761 is 16703857.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16703857 = 3593 ⋅4649.

It can be written as a sum of positive squares in 2 ways, for example, as 34292736 + 41538025 = 5856^2 + 6445^2 .

It is a cyclic number.

It is not a de Polignac number, because 75830761 - 2⁷ = 75830633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75830761.

It is not an unprimeable number, because it can be changed into a prime (75834761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230300 + ... + 2230333.

It is an arithmetic number, because the mean of its divisors is an integer number (20072853).

Almost surely, 2^75830761 is an apocalyptic number.

It is an amenable number.

75830761 is a deficient number, since it is larger than the sum of its proper divisors (4460651).

75830761 is a wasteful number, since it uses less digits than its factorization.

75830761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460650.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 75830761 is about 8708.0859550190. The cubic root of 75830761 is about 423.2677096010.

The spelling of 75830761 in words is "seventy-five million, eight hundred thirty thousand, seven hundred sixty-one".