6730738238 has 64 divisors (see below), whose sum is σ = 12122490240. Its totient is φ = 2742018048.

The previous prime is 6730738237. The next prime is 6730738247. The reversal of 6730738238 is 8328370376.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6730738192 and 6730738201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6730738237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10908506 + ... + 10909122.

It is an arithmetic number, because the mean of its divisors is an integer number (189413910).

Almost surely, 2^6730738238 is an apocalyptic number.

6730738238 is a deficient number, since it is larger than the sum of its proper divisors (5391752002).

6730738238 is a wasteful number, since it uses less digits than its factorization.

6730738238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The square root of 6730738238 is about 82041.0765287731. The cubic root of 6730738238 is about 1888.0822103958.

The spelling of 6730738238 in words is "six billion, seven hundred thirty million, seven hundred thirty-eight thousand, two hundred thirty-eight".