7500625757 has 4 divisors (see below), whose sum is σ = 7500896316. Its totient is φ = 7500355200.

The previous prime is 7500625753. The next prime is 7500625799. The reversal of 7500625757 is 7575260057.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3101487481 + 4399138276 = 55691^2 + 66326^2 .

It is a cyclic number.

It is not a de Polignac number, because 7500625757 - 2² = 7500625753 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7500625753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88244 + ... + 150957.

It is an arithmetic number, because the mean of its divisors is an integer number (1875224079).

Almost surely, 2^7500625757 is an apocalyptic number.

It is an amenable number.

7500625757 is a deficient number, since it is larger than the sum of its proper divisors (270559).

7500625757 is a wasteful number, since it uses less digits than its factorization.

7500625757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270558.

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

The square root of 7500625757 is about 86606.1531128129. The cubic root of 7500625757 is about 1957.4882580889.

The spelling of 7500625757 in words is "seven billion, five hundred million, six hundred twenty-five thousand, seven hundred fifty-seven".