6740938530 has 64 divisors (see below), whose sum is σ = 18555724800. Its totient is φ = 1739594880.

The previous prime is 6740938511. The next prime is 6740938531. The reversal of 6740938530 is 358390476.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6740938531) 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, 394315 + ... + 411054.

It is an arithmetic number, because the mean of its divisors is an integer number (289933200).

Almost surely, 2^6740938530 is an apocalyptic number.

6740938530 is an abundant number, since it is smaller than the sum of its proper divisors (11814786270).

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

6740938530 is a wasteful number, since it uses less digits than its factorization.

6740938530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805416 (or 805410 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 6740938530 is about 82103.2187554179. The cubic root of 6740938530 is about 1889.0355119259.

The spelling of 6740938530 in words is "six billion, seven hundred forty million, nine hundred thirty-eight thousand, five hundred thirty".