7378668733 has 2 divisors, whose sum is σ = 7378668734. Its totient is φ = 7378668732.

The previous prime is 7378668707. The next prime is 7378668779. The reversal of 7378668733 is 3378668737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6108672964 + 1269995769 = 78158^2 + 35637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7378668733 is a prime.

It is a super-3 number, since 3×7378668733³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7378668233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3689334366 + 3689334367.

It is an arithmetic number, because the mean of its divisors is an integer number (3689334367).

Almost surely, 2^7378668733 is an apocalyptic number.

It is an amenable number.

7378668733 is a deficient number, since it is larger than the sum of its proper divisors (1).

7378668733 is an equidigital number, since it uses as much as digits as its factorization.

7378668733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21337344, while the sum is 58.

The square root of 7378668733 is about 85899.1777201621. The cubic root of 7378668733 is about 1946.8209197286.

The spelling of 7378668733 in words is "seven billion, three hundred seventy-eight million, six hundred sixty-eight thousand, seven hundred thirty-three".