7500725757 has 24 divisors (see below), whose sum is σ = 12384468096. Its totient is φ = 4285326816.

The previous prime is 7500725747. The next prime is 7500725767. The reversal of 7500725757 is 7575270057.

7500725757 is a `hidden beast` number, since 7 + 5 + 0 + 0 + 72 + 575 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (7500725747) and next prime (7500725767).

It is not a de Polignac number, because 7500725757 - 2⁸ = 7500725501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7500725717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 553183 + ... + 566579.

It is an arithmetic number, because the mean of its divisors is an integer number (516019504).

Almost surely, 2^7500725757 is an apocalyptic number.

It is an amenable number.

7500725757 is a deficient number, since it is larger than the sum of its proper divisors (4883742339).

7500725757 is a wasteful number, since it uses less digits than its factorization.

7500725757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22297 (or 22294 counting only the distinct ones).

The product of its (nonzero) digits is 600250, while the sum is 45.

The square root of 7500725757 is about 86606.7304370740. The cubic root of 7500725757 is about 1957.4969572723.

The spelling of 7500725757 in words is "seven billion, five hundred million, seven hundred twenty-five thousand, seven hundred fifty-seven".