75245864 has 16 divisors (see below), whose sum is σ = 144899700. Its totient is φ = 36605952.

The previous prime is 75245837. The next prime is 75245873. The reversal of 75245864 is 46854257.

It can be written as a sum of positive squares in 2 ways, for example, as 73444900 + 1800964 = 8570^2 + 1342^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 126809 + ... + 127400.

Almost surely, 2^75245864 is an apocalyptic number.

75245864 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

75245864 is a deficient number, since it is larger than the sum of its proper divisors (69653836).

75245864 is a wasteful number, since it uses less digits than its factorization.

75245864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254252 (or 254248 counting only the distinct ones).

The product of its digits is 268800, while the sum is 41.

The square root of 75245864 is about 8674.4373880961. The cubic root of 75245864 is about 422.1766516325.

The spelling of 75245864 in words is "seventy-five million, two hundred forty-five thousand, eight hundred sixty-four".