75575030 has 32 divisors (see below), whose sum is σ = 144516960. Its totient is φ = 28357120.

The previous prime is 75575021. The next prime is 75575039. The reversal of 75575030 is 3057557.

It is an interprime number because it is at equal distance from previous prime (75575021) and next prime (75575039).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75575039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70700 + ... + 71760.

It is an arithmetic number, because the mean of its divisors is an integer number (4516155).

Almost surely, 2^75575030 is an apocalyptic number.

75575030 is a deficient number, since it is larger than the sum of its proper divisors (68941930).

75575030 is a wasteful number, since it uses less digits than its factorization.

75575030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504.

The product of its (nonzero) digits is 18375, while the sum is 32.

The square root of 75575030 is about 8693.3900177089. The cubic root of 75575030 is about 422.7913656099.

The spelling of 75575030 in words is "seventy-five million, five hundred seventy-five thousand, thirty".