75750006257 has 8 divisors (see below), whose sum is σ = 80229813192. Its totient is φ = 71272857600.

The previous prime is 75750006239. The next prime is 75750006301. The reversal of 75750006257 is 75260005757.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 35178378481 + 40571627776 = 187559^2 + 201424^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75750006257 - 2⁸ = 75750006001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75750006557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605744 + ... + 720017.

It is an arithmetic number, because the mean of its divisors is an integer number (10028726649).

Almost surely, 2^75750006257 is an apocalyptic number.

It is an amenable number.

75750006257 is a deficient number, since it is larger than the sum of its proper divisors (4479806935).

75750006257 is a wasteful number, since it uses less digits than its factorization.

75750006257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329139.

The product of its (nonzero) digits is 514500, while the sum is 44.

The spelling of 75750006257 in words is "seventy-five billion, seven hundred fifty million, six thousand, two hundred fifty-seven".