7525122730 has 8 divisors (see below), whose sum is σ = 13545220932. Its totient is φ = 3010049088.

The previous prime is 7525122677. The next prime is 7525122733. The reversal of 7525122730 is 372215257.

It can be written as a sum of positive squares in 2 ways, for example, as 7206821449 + 318301281 = 84893^2 + 17841^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7525122733) by changing a digit.

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, 376256127 + ... + 376256146.

Almost surely, 2^7525122730 is an apocalyptic number.

7525122730 is a deficient number, since it is larger than the sum of its proper divisors (6020098202).

7525122730 is a wasteful number, since it uses less digits than its factorization.

7525122730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752512280.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 7525122730 is about 86747.4652655627. The cubic root of 7525122730 is about 1959.6169883618.

Adding to 7525122730 its reverse (372215257), we get a palindrome (7897337987).

The spelling of 7525122730 in words is "seven billion, five hundred twenty-five million, one hundred twenty-two thousand, seven hundred thirty".