7500745782 has 12 divisors (see below), whose sum is σ = 16251615900. Its totient is φ = 2500248588.

The previous prime is 7500745781. The next prime is 7500745793. The reversal of 7500745782 is 2875470057.

7500745782 is a `hidden beast` number, since 7 + 5 + 0 + 0 + 74 + 578 + 2 = 666.

It is a super-4 number, since 4×7500745782⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7500745781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 208354032 + ... + 208354067.

It is an arithmetic number, because the mean of its divisors is an integer number (1354301325).

Almost surely, 2^7500745782 is an apocalyptic number.

7500745782 is an abundant number, since it is smaller than the sum of its proper divisors (8750870118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7500745782 is a wasteful number, since it uses less digits than its factorization.

7500745782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416708107 (or 416708104 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 45.

The square root of 7500745782 is about 86606.8460457948. The cubic root of 7500745782 is about 1957.4986992744.

The spelling of 7500745782 in words is "seven billion, five hundred million, seven hundred forty-five thousand, seven hundred eighty-two".