3757945 has 8 divisors (see below), whose sum is σ = 4519944. Its totient is φ = 2999424.

The previous prime is 3757939. The next prime is 3757961. The reversal of 3757945 is 5497573.

It can be written as a sum of positive squares in 4 ways, for example, as 1806336 + 1951609 = 1344^2 + 1397^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3757945 - 2⁹ = 3757433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3757898 and 3757907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3847 + ... + 4723.

It is an arithmetic number, because the mean of its divisors is an integer number (564993).

Almost surely, 2^3757945 is an apocalyptic number.

It is an amenable number.

3757945 is a deficient number, since it is larger than the sum of its proper divisors (761999).

3757945 is an equidigital number, since it uses as much as digits as its factorization.

3757945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739.

The product of its digits is 132300, while the sum is 40.

The square root of 3757945 is about 1938.5419778793. The cubic root of 3757945 is about 155.4712677345.

The spelling of 3757945 in words is "three million, seven hundred fifty-seven thousand, nine hundred forty-five".