75252830 has 16 divisors (see below), whose sum is σ = 136772064. Its totient is φ = 29808480.

The previous prime is 75252817. The next prime is 75252869. The reversal of 75252830 is 3825257.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35501 + ... + 37560.

It is an arithmetic number, because the mean of its divisors is an integer number (8548254).

Almost surely, 2^75252830 is an apocalyptic number.

75252830 is a deficient number, since it is larger than the sum of its proper divisors (61519234).

75252830 is a wasteful number, since it uses less digits than its factorization.

75252830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73171.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 75252830 is about 8674.8389034033. The cubic root of 75252830 is about 422.1896791118.

It can be divided in two parts, 752528 and 30, that multiplied together give a triangular number (22575840 = T₆₇₁₉).

The spelling of 75252830 in words is "seventy-five million, two hundred fifty-two thousand, eight hundred thirty".