7520453828 has 6 divisors (see below), whose sum is σ = 13160794206. Its totient is φ = 3760226912.

The previous prime is 7520453827. The next prime is 7520453851. The reversal of 7520453828 is 8283540257.

It can be written as a sum of positive squares in only one way, i.e., 6810870784 + 709583044 = 82528^2 + 26638^2 .

It is not an unprimeable number, because it can be changed into a prime (7520453827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 940056725 + ... + 940056732.

It is an arithmetic number, because the mean of its divisors is an integer number (2193465701).

Almost surely, 2^7520453828 is an apocalyptic number.

It is an amenable number.

7520453828 is a deficient number, since it is larger than the sum of its proper divisors (5640340378).

7520453828 is a wasteful number, since it uses less digits than its factorization.

7520453828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880113461 (or 1880113459 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 44.

The square root of 7520453828 is about 86720.5502058192. The cubic root of 7520453828 is about 1959.2116283054.

The spelling of 7520453828 in words is "seven billion, five hundred twenty million, four hundred fifty-three thousand, eight hundred twenty-eight".