7520503272 has 16 divisors (see below), whose sum is σ = 18801258240. Its totient is φ = 2506834416.

The previous prime is 7520503139. The next prime is 7520503273. The reversal of 7520503272 is 2723050257.

It is not an unprimeable number, because it can be changed into a prime (7520503273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156677128 + ... + 156677175.

It is an arithmetic number, because the mean of its divisors is an integer number (1175078640).

Almost surely, 2^7520503272 is an apocalyptic number.

It is an amenable number.

7520503272 is an abundant number, since it is smaller than the sum of its proper divisors (11280754968).

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

7520503272 is a wasteful number, since it uses less digits than its factorization.

7520503272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313354312 (or 313354308 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 7520503272 is about 86720.8352819552. The cubic root of 7520503272 is about 1959.2159219757.

The spelling of 7520503272 in words is "seven billion, five hundred twenty million, five hundred three thousand, two hundred seventy-two".