3745100785 has 4 divisors (see below), whose sum is σ = 4494120948. Its totient is φ = 2996080624.

The previous prime is 3745100767. The next prime is 3745100789. The reversal of 3745100785 is 5870015473.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2430095616 + 1315005169 = 49296^2 + 36263^2 .

It is a cyclic number.

It is not a de Polignac number, because 3745100785 - 2⁵ = 3745100753 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3745100789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374510074 + ... + 374510083.

It is an arithmetic number, because the mean of its divisors is an integer number (1123530237).

Almost surely, 2^3745100785 is an apocalyptic number.

It is an amenable number.

3745100785 is a deficient number, since it is larger than the sum of its proper divisors (749020163).

3745100785 is an equidigital number, since it uses as much as digits as its factorization.

3745100785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749020162.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 3745100785 is about 61197.2285728692. The cubic root of 3745100785 is about 1552.9393803406.

The spelling of 3745100785 in words is "three billion, seven hundred forty-five million, one hundred thousand, seven hundred eighty-five".