6740626578 has 32 divisors (see below), whose sum is σ = 15411830784. Its totient is φ = 1925307792.

The previous prime is 6740626559. The next prime is 6740626597. The reversal of 6740626578 is 8756260476.

It is an interprime number because it is at equal distance from previous prime (6740626559) and next prime (6740626597).

It is a self number, because there is not a number n which added to its sum of digits gives 6740626578.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126351 + ... + 171597.

It is an arithmetic number, because the mean of its divisors is an integer number (481619712).

Almost surely, 2^6740626578 is an apocalyptic number.

6740626578 is an abundant number, since it is smaller than the sum of its proper divisors (8671204206).

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

6740626578 is a wasteful number, since it uses less digits than its factorization.

6740626578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48806.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The square root of 6740626578 is about 82101.3189784427. The cubic root of 6740626578 is about 1889.0063716960.

The spelling of 6740626578 in words is "six billion, seven hundred forty million, six hundred twenty-six thousand, five hundred seventy-eight".