7520345030 has 16 divisors (see below), whose sum is σ = 14767223184. Its totient is φ = 2734670880.

The previous prime is 7520345023. The next prime is 7520345071. The reversal of 7520345030 is 305430257.

It is a junction number, because it is equal to n+sod(n) for n = 7520344984 and 7520345002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34183277 + ... + 34183496.

It is an arithmetic number, because the mean of its divisors is an integer number (922951449).

Almost surely, 2^7520345030 is an apocalyptic number.

7520345030 is a deficient number, since it is larger than the sum of its proper divisors (7246878154).

7520345030 is a wasteful number, since it uses less digits than its factorization.

7520345030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68366791.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 7520345030 is about 86719.9229127886. The cubic root of 7520345030 is about 1959.2021803235.

Adding to 7520345030 its reverse (305430257), we get a palindrome (7825775287).

The spelling of 7520345030 in words is "seven billion, five hundred twenty million, three hundred forty-five thousand, thirty".