7378666668737 has 8 divisors (see below), whose sum is σ = 9081435900096. Its totient is φ = 5838065935632.

The previous prime is 7378666668721. The next prime is 7378666668761.

7378666668737 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 7378666668737 - 2⁴ = 7378666668721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7378666668767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40542124463 + ... + 40542124644.

It is an arithmetic number, because the mean of its divisors is an integer number (1135179487512).

Almost surely, 2^{7378666668737} is an apocalyptic number.

It is an amenable number.

7378666668737 is a deficient number, since it is larger than the sum of its proper divisors (1702769231359).

7378666668737 is a wasteful number, since it uses less digits than its factorization.

7378666668737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81084249127.

The product of its digits is 10754021376, while the sum is 80.

The spelling of 7378666668737 in words is "seven trillion, three hundred seventy-eight billion, six hundred sixty-six million, six hundred sixty-eight thousand, seven hundred thirty-seven".