3738357745 has 4 divisors (see below), whose sum is σ = 4486029300. Its totient is φ = 2990686192.

The previous prime is 3738357731. The next prime is 3738357767. The reversal of 3738357745 is 5477538373.

3738357745 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5477538373 = 45869 ⋅119417.

It can be written as a sum of positive squares in 2 ways, for example, as 1521078001 + 2217279744 = 39001^2 + 47088^2 .

It is a cyclic number.

It is not a de Polignac number, because 3738357745 - 2⁷ = 3738357617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3738357692 and 3738357701.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373835770 + ... + 373835779.

It is an arithmetic number, because the mean of its divisors is an integer number (1121507325).

Almost surely, 2^3738357745 is an apocalyptic number.

It is an amenable number.

3738357745 is a deficient number, since it is larger than the sum of its proper divisors (747671555).

3738357745 is an equidigital number, since it uses as much as digits as its factorization.

3738357745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747671554.

The product of its digits is 7408800, while the sum is 52.

The square root of 3738357745 is about 61142.1110610355. Note that the first 3 decimals coincide. The cubic root of 3738357745 is about 1552.0067998925.

The spelling of 3738357745 in words is "three billion, seven hundred thirty-eight million, three hundred fifty-seven thousand, seven hundred forty-five".