67740627793 has 8 divisors (see below), whose sum is σ = 70085874600. Its totient is φ = 65396005248.

The previous prime is 67740627751. The next prime is 67740627841. The reversal of 67740627793 is 39772604776.

It can be written as a sum of positive squares in 4 ways, for example, as 15449744209 + 52290883584 = 124297^2 + 228672^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67740627793 - 2¹⁷ = 67740496721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67740627193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70303 + ... + 374731.

It is an arithmetic number, because the mean of its divisors is an integer number (8760734325).

Almost surely, 2^67740627793 is an apocalyptic number.

It is an amenable number.

67740627793 is a deficient number, since it is larger than the sum of its proper divisors (2345246807).

67740627793 is a wasteful number, since it uses less digits than its factorization.

67740627793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312131.

The product of its (nonzero) digits is 18670176, while the sum is 58.

The spelling of 67740627793 in words is "sixty-seven billion, seven hundred forty million, six hundred twenty-seven thousand, seven hundred ninety-three".