75000830 has 16 divisors (see below), whose sum is σ = 137549664. Its totient is φ = 29434080.

The previous prime is 75000823. The next prime is 75000833. The reversal of 75000830 is 3800057.

It is a junction number, because it is equal to n+sod(n) for n = 75000796 and 75000805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75000833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70226 + ... + 71285.

It is an arithmetic number, because the mean of its divisors is an integer number (8596854).

Almost surely, 2^75000830 is an apocalyptic number.

75000830 is a deficient number, since it is larger than the sum of its proper divisors (62548834).

75000830 is a wasteful number, since it uses less digits than its factorization.

75000830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141571.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 75000830 is about 8660.3019577842. The cubic root of 75000830 is about 421.7178883098.

Adding to 75000830 its reverse (3800057), we get a palindrome (78800887).

The spelling of 75000830 in words is "seventy-five million, eight hundred thirty", and thus it is an aban number.