7520842812 has 144 divisors (see below), whose sum is σ = 20952594432. Its totient is φ = 2092849920.

The previous prime is 7520842801. The next prime is 7520842859. The reversal of 7520842812 is 2182480257.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3561637 + ... + 3563747.

It is an arithmetic number, because the mean of its divisors is an integer number (145504128).

Almost surely, 2^7520842812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7520842812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10476297216).

7520842812 is an abundant number, since it is smaller than the sum of its proper divisors (13431751620).

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

7520842812 is a wasteful number, since it uses less digits than its factorization.

7520842812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288 (or 2279 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 7520842812 is about 86722.7929208925. The cubic root of 7520842812 is about 1959.2454068004.

The spelling of 7520842812 in words is "seven billion, five hundred twenty million, eight hundred forty-two thousand, eight hundred twelve".