75330830 has 16 divisors (see below), whose sum is σ = 136287360. Its totient is φ = 29978592.

The previous prime is 75330823. The next prime is 75330833. The reversal of 75330830 is 3803357.

It is a junction number, because it is equal to n+sod(n) for n = 75330793 and 75330802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75330833) 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, 17150 + ... + 21089.

It is an arithmetic number, because the mean of its divisors is an integer number (8517960).

Almost surely, 2^75330830 is an apocalyptic number.

75330830 is a deficient number, since it is larger than the sum of its proper divisors (60956530).

75330830 is a wasteful number, since it uses less digits than its factorization.

75330830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38443.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 75330830 is about 8679.3334997568. Note that the first 3 decimals coincide. The cubic root of 75330830 is about 422.3354961035.

The spelling of 75330830 in words is "seventy-five million, three hundred thirty thousand, eight hundred thirty".