7378645023738 has 24 divisors (see below), whose sum is σ = 16682153967648. Its totient is φ = 2352611456712.

The previous prime is 7378645023731. The next prime is 7378645023751. The reversal of 7378645023738 is 8373205468737.

It is a happy number.

7378645023738 is a `hidden beast` number, since 7 + 3 + 7 + 8 + 64 + 502 + 37 + 38 = 666.

It is not an unprimeable number, because it can be changed into a prime (7378645023731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8911406620 + ... + 8911407447.

It is an arithmetic number, because the mean of its divisors is an integer number (695089748652).

Almost surely, 2^{7378645023738} is an apocalyptic number.

7378645023738 is an abundant number, since it is smaller than the sum of its proper divisors (9303508943910).

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

7378645023738 is a wasteful number, since it uses less digits than its factorization.

7378645023738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17822814098 (or 17822814095 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 63.

The spelling of 7378645023738 in words is "seven trillion, three hundred seventy-eight billion, six hundred forty-five million, twenty-three thousand, seven hundred thirty-eight".