7243753140 has 72 divisors (see below), whose sum is σ = 23662934568. Its totient is φ = 1783077120.

The previous prime is 7243753133. The next prime is 7243753177. The reversal of 7243753140 is 413573427.

It can be written as a sum of positive squares in 4 ways, for example, as 568536336 + 6675216804 = 23844^2 + 81702^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7243753095 and 7243753104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1545471 + ... + 1550150.

It is an arithmetic number, because the mean of its divisors is an integer number (328651869).

Almost surely, 2^7243753140 is an apocalyptic number.

It is an amenable number.

7243753140 is an abundant number, since it is smaller than the sum of its proper divisors (16419181428).

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

7243753140 is a wasteful number, since it uses less digits than its factorization.

7243753140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095649 (or 3095644 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 7243753140 is about 85110.2410994118. The cubic root of 7243753140 is about 1934.8822795599.

The spelling of 7243753140 in words is "seven billion, two hundred forty-three million, seven hundred fifty-three thousand, one hundred forty".