7302243781 has 16 divisors (see below), whose sum is σ = 8630517760. Its totient is φ = 6045989040.

The previous prime is 7302243763. The next prime is 7302243797. The reversal of 7302243781 is 1873422037.

7302243781 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7302243781 - 2¹⁷ = 7302112709 is a prime.

It is a super-2 number, since 2×7302243781² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7302243781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7302243731) 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, 87940 + ... + 149458.

It is an arithmetic number, because the mean of its divisors is an integer number (539407360).

Almost surely, 2^7302243781 is an apocalyptic number.

It is an amenable number.

7302243781 is a deficient number, since it is larger than the sum of its proper divisors (1328273979).

7302243781 is a wasteful number, since it uses less digits than its factorization.

7302243781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62104.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 7302243781 is about 85453.1671794557. The cubic root of 7302243781 is about 1940.0761458226.

The spelling of 7302243781 in words is "seven billion, three hundred two million, two hundred forty-three thousand, seven hundred eighty-one".