75830530 has 8 divisors (see below), whose sum is σ = 136494972. Its totient is φ = 30332208.

The previous prime is 75830519. The next prime is 75830551. The reversal of 75830530 is 3503857.

It can be written as a sum of positive squares in 2 ways, for example, as 75637809 + 192721 = 8697^2 + 439^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 75830492 and 75830501.

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, 3791517 + ... + 3791536.

Almost surely, 2^75830530 is an apocalyptic number.

75830530 is a deficient number, since it is larger than the sum of its proper divisors (60664442).

75830530 is a wasteful number, since it uses less digits than its factorization.

75830530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7583060.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 75830530 is about 8708.0726914743. The cubic root of 75830530 is about 423.2672798064.

The spelling of 75830530 in words is "seventy-five million, eight hundred thirty thousand, five hundred thirty".