75830890 has 16 divisors (see below), whose sum is σ = 136601640. Its totient is φ = 30308800.

The previous prime is 75830879. The next prime is 75830899. The reversal of 75830890 is 9803857.

It can be written as a sum of positive squares in 4 ways, for example, as 42549529 + 33281361 = 6523^2 + 5769^2 .

It is not an unprimeable number, because it can be changed into a prime (75830899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17016 + ... + 21004.

Almost surely, 2^75830890 is an apocalyptic number.

75830890 is a deficient number, since it is larger than the sum of its proper divisors (60770750).

75830890 is a wasteful number, since it uses less digits than its factorization.

75830890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5897.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 75830890 is about 8708.0933619249. The cubic root of 75830890 is about 423.2679496157.

The spelling of 75830890 in words is "seventy-five million, eight hundred thirty thousand, eight hundred ninety".