7243561812 has 48 divisors (see below), whose sum is σ = 16992061632. Its totient is φ = 2401632000.

The previous prime is 7243561811. The next prime is 7243561837. The reversal of 7243561812 is 2181653427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7243561811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3363328 + ... + 3365480.

It is an arithmetic number, because the mean of its divisors is an integer number (354001284).

Almost surely, 2^7243561812 is an apocalyptic number.

It is an amenable number.

7243561812 is an abundant number, since it is smaller than the sum of its proper divisors (9748499820).

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

7243561812 is a wasteful number, since it uses less digits than its factorization.

7243561812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528 (or 3526 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 7243561812 is about 85109.1170909439. The cubic root of 7243561812 is about 1934.8652441728.

The spelling of 7243561812 in words is "seven billion, two hundred forty-three million, five hundred sixty-one thousand, eight hundred twelve".