7436740340 has 12 divisors (see below), whose sum is σ = 15617154756. Its totient is φ = 2974696128.

The previous prime is 7436740313. The next prime is 7436740343. The reversal of 7436740340 is 430476347.

It can be written as a sum of positive squares in 2 ways, for example, as 5260891024 + 2175849316 = 72532^2 + 46646^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7436740294 and 7436740303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7436740343) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 185918489 + ... + 185918528.

It is an arithmetic number, because the mean of its divisors is an integer number (1301429563).

Almost surely, 2^7436740340 is an apocalyptic number.

It is an amenable number.

7436740340 is an abundant number, since it is smaller than the sum of its proper divisors (8180414416).

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

7436740340 is a wasteful number, since it uses less digits than its factorization.

7436740340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371837026 (or 371837024 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 38.

The square root of 7436740340 is about 86236.5371521839. The cubic root of 7436740340 is about 1951.9148702712.

The spelling of 7436740340 in words is "seven billion, four hundred thirty-six million, seven hundred forty thousand, three hundred forty".