3745597817 has 16 divisors (see below), whose sum is σ = 4211948160. Its totient is φ = 3304912512.

The previous prime is 3745597799. The next prime is 3745597859. The reversal of 3745597817 is 7187955473.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3745597817 - 2⁶ = 3745597753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3745597117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566909 + ... + 573477.

It is an arithmetic number, because the mean of its divisors is an integer number (263246760).

Almost surely, 2^3745597817 is an apocalyptic number.

It is an amenable number.

3745597817 is a deficient number, since it is larger than the sum of its proper divisors (466350343).

3745597817 is a wasteful number, since it uses less digits than its factorization.

3745597817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8512.

The product of its digits is 7408800, while the sum is 56.

The square root of 3745597817 is about 61201.2893409935. The cubic root of 3745597817 is about 1553.0080768828.

The spelling of 3745597817 in words is "three billion, seven hundred forty-five million, five hundred ninety-seven thousand, eight hundred seventeen".